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    reef

    US /rif/

    ・

    UK /ri:f/

    B2
    n. (c./u.)Noun (Countable/Uncountable)Line of rocks or sand at the surface of the ocean
    The captain was careful to avoid hitting the reef so that his ship would not sink
    n. (c./u.)Noun (Countable/Uncountable)Rolling up sail to make it smaller in strong winds
    The sailors tied down the reef before docking the sailboat
    v.t.Transitive VerbTo roll up sail to make it smaller in strong winds
    Because of the high winds, we should reef the sails so that they don't get damaged

    Video subtitles

    Dora the Explorer AquaPet FAIL TOYS Funny Naughty Dora Toy Review

    02:49Dora the Explorer AquaPet FAIL TOYS Funny Naughty Dora Toy Review
    • But they could have sculpted like some coral reef or some fish or something down here ...

      But they could have sculpted like some coral reef or some fish or something down here ...

    • But they could have sculpted, like, some coral reef or some fish or something down here.

      But they could have sculpted, like, some coral reef or some fish or something down here.

    A2

    Symbiosis & Anemonefish - Reef Life of the Andaman - Part 18

    06:16Symbiosis & Anemonefish - Reef Life of the Andaman - Part 18
    • As adults, they are one of the most aggressive fish on the reef for their size and become less reliant on anemones for protection.

      As adults, they are one of the most aggressive fish on the reef for their size and become less reliant on anemones for protection.

    • As adults they are one of the most aggressive fish on the reef, for their size,

      As adults they are one of the most aggressive fish on the reef, for their size,

    C1

    Reef Life of the Andaman (full marine biology documentary)

    56:24Reef Life of the Andaman (full marine biology documentary)
    • From the shadows and shoals of cardinal fish at Burma's Shark Cave, a grey reef shark emerges.

      From the shadows and shoals of cardinal fish at Burma's Shark Cave, a grey reef shark emerges.

    • Although grey reef sharks can sometimes show aggression in their behaviour, this is extremely rare amongst those found in the Andaman.

      Although grey reef sharks can sometimes show aggression in their behaviour, this is extremely rare amongst those found in the Andaman.

    C1

    The Ocean Chooses Moana | Disney Princess

    02:03The Ocean Chooses Moana | Disney Princess
    • But, one day, someone will journey beyond our reef, find Maui, deliver him across the great ocean to restore the heart of Te Fiti.

      But, one day, someone will journey beyond our reef, find Maui, deliver him across the great ocean to restore the heart of Te Fiti.

    • But one day, someone will journey beyond our reef, find Maui, deliver him across the great ocean to restore the heart of Pefiti.

      But one day, someone will journey beyond our reef, find Maui, deliver him across the great ocean to restore the heart of Pefiti.

    B1

    All about Oceania | Learn about this beautiful region in the Pacific Ocean

    07:57All about Oceania | Learn about this beautiful region in the Pacific Ocean
    • Even though the original settlers had a common culture, each island began to develop a culture unique to its specific region. Because of this migration, Oceania is one of the most culturally diverse areas on Earth. Oceania is also one of the most environmentally diverse and sensitive areas on the planet, and contains some of the most beautiful coral reefs in the world, including the Great Barrier Reef, which is vital to the Earth's climate.

      Even though the original settlers had a common culture, each island began to develop a culture unique to its specific region. Because of this migration, Oceania is one of the most culturally diverse areas on Earth. Oceania is also one of the most environmentally diverse and sensitive areas on the planet, and contains some of the most beautiful coral reefs in the world, including the Great Barrier Reef, which is vital to the Earth's climate.

    • Here is an interesting fact. The Great Barrier Reef is the largest coral reef in the world.

      Here is an interesting fact. The Great Barrier Reef is the largest coral reef in the world.

    B1

    Top 10 TERRIFYING Movie Sharks

    14:37Top 10 TERRIFYING Movie Sharks
    • The Reef Shark.

      The Reef Shark.

    • The Reef.

      The Reef.

    B2

    A Christmas Carol by Charles Dickens Full Audiobook with Subtitles and Chapters

    17:28A Christmas Carol by Charles Dickens Full Audiobook with Subtitles and Chapters
    • Built upon a dismal reef of sunken rocks, some league or so from shore, on which the waters chafed and dashed, the wild year through there stood a solitary lighthouse.

      Built upon a dismal reef of sunken rocks, some league or so from shore, on which the waters chafed and dashed, the wild year through there stood a solitary lighthouse.

    • Built upon a dismal reef of sunken  rocks, some league or so from shore,  

      Built upon a dismal reef of sunken  rocks, some league or so from shore,  

    B2

    36 Hours in San Diego | Best Locals Travel Guide

    14:4736 Hours in San Diego | Best Locals Travel Guide
    • There's a reef out here, and there's a kelp bed, which keeps the waves nice and mellow.

      There's a reef out here, and there's a kelp bed, which keeps the waves nice and mellow.

    • There's a reef out here, and there's a kelp bed, which keeps the waves nice and mellow.

      There's a reef out here, and there's a kelp bed, which keeps the waves nice and mellow.

    B2

    Why the South China Sea is a time bomb

    11:08Why the South China Sea is a time bomb
    • It happened at a shallow reef called Second Thomas Shoal, where the Philippines have a few soldiers stationed on a grounded ship.

      It happened at a shallow reef called Second Thomas Shoal, where the Philippines have a few soldiers stationed on a grounded ship.

    • It happened at a shallow reef called Second Thomas Shoal, where the Philippines have a few soldiers stationed on a grounded ship.

      It happened at a shallow reef called Second Thomas Shoal, where the Philippines have a few soldiers stationed on a grounded ship.

    B1

    Scientists replant underwater forests to restore marine habitats | REUTERS

    01:46Scientists replant underwater forests to restore marine habitats | REUTERS
    • Then they transfer Cystoseira seedlings to the reef at Gyaros Island.

      Then they transfer Cystoseira seedlings to the reef at Gyaros Island.

    • Then they transfer Chistoceria seedlings to the reef at Gialos Island.

      Then they transfer Chistoceria seedlings to the reef at Gialos Island.

    B2