Covers
n. 覆盖；封面, 盖子；暗礁, 保证金, 暗礁群
🗣️ 情景例句
Give it a try.
试试看。
I'm going to order five dozen.
我要订五打。
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，