B2#insect#biomass#nature#plane#biologist#planetWhy insects are so crucial to life on Earth | BBC Ideas00林宜悉 posted on 2025/07/24More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filterscrucialUS /ˈkruʃəl/・UK /'kru:ʃl/AdjectiveExtremely important or necessaryOf great importance to the success of something.B1More vastUS /væst/・UK /vɑ:st/AdjectiveBeing very large in size or amountA2TOEICMore sustainableUS /səˈsteɪnəbl/・UK /səˈsteɪnəbl/AdjectiveCapable of continuing for a long timeAble to be maintained without running out ofB2More inevitablyUS /ɪnˈevɪtəbli/・UK /ɪnˈevɪtəbli/Adverb(Happening) with complete certaintyB1More Use EnergyUnlock VocabularyUnlock pronunciation, explanations, and filtersUnlock
