中英释义：
双语例句
鳄鱼是被什么覆盖的？它的身上覆盖着鳞片。
What is an alligator covered with?It is covered with scales.
重点词汇
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什么
what; whatever; wot; something; anything; everything; nothing (in negative statements); eh; pardon
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覆盖
cover; overlay; coat; blanket; spread; clothe; envelop; shroud; mask; cap; screen; shield; wrap; overlie; mantle; swathe; spread over; drape over; paper over; coverage; clad; covered; on