| 释义 |
cap COVERkApn [C]a small usually protective lid or cover盖子The label on the bottle says"Twist cap to open", but I can't get it off.瓶子上的标签写着“拧开瓶盖”，但我拧不开。The camera has a lens cap to protect the lens surface.照相机有镜头盖保护镜头表面。A cap is also an artificial protective covering on a tooth.牙的镶套(fig.) The damaged nuclear reactor was covered with a cap (=protective layer) of concrete 20 feet thick.损坏的核反应堆上盖有20英尺厚的水泥罩。
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