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Pronunciation ChallengeWhat is dust made of? - Michael Marder

Host : Columbus 哥倫布
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Today's Sentence

Video not in English?
What is dust made of? - Michael Marder
In the future, we may be able to pinpoint the origins of dust samples even more specifically, down to a particular neighborhood or even house–something that may be of great help for forensic specialists.
Original Video：What is dust made of? - Michael Marder

Key Vocabulary

1. pinpoint

pinpoint

[ˈpɪnˌpɔɪnt ](v.)

locate

[ˈloʊˌkeɪt ](v.)

identify

[aɪˈdɛntəˌfaɪ ](v.)

2. origin

origin

[ˈɔrəʤən ](n.)

source

[sɔrs ](n.)

3. neighborhood

neighborhood

[ˈneɪbərˌhʊd ](n.)

community

[kəmˈjunəti ](n.)

suburb

[ˈsʌbərb](n.)

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