Once they reach the surface, they form a tightly-overlapping, waterproof layer that's difficult for invading microbes to breach.
一旦到达表面,它们会形成一层紧密重叠的防水层,使得微生物难以进入。
单词 | waterproof layer |
例句 |
原声例句
双语版 TED-Ed 演讲精选 Once they reach the surface, they form a tightly-overlapping, waterproof layer that's difficult for invading microbes to breach. 一旦到达表面,它们会形成一层紧密重叠的防水层,使得微生物难以进入。 TED-Ed(视频版) Once they reach the surface, they form a tightly-overlapping, waterproof layer that’s difficult for invading microbes to breach. 一旦它们到达表面,它们就会形成一个紧密重叠的防水层,入侵的微生物很难突破。 |
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