- 释义：
- v. 使衰竭；削弱
- 例句：
-
Maple sugar is made from the sap of maple trees.
枫糖是由枫树的树液制成的.
换一句
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Didn't you know I was joking, you sap?
你难道不知道我是在开玩笑 吗 ?傻瓜.
换一句
-
Sap passes right through the aphides'bodies, only getting a little thicker and sweeter.
汁液直接流过蚜虫的身体, 结果只是变得更稠、更甜.
换一句