单词：sap
vt. 使排出体液, 使伤元气, 使衰竭, 挖坑道逼近, 逐渐侵蚀
vi. 挖坑道, 消弱
[计] 共享汇编程序, 结构分析程序, 符号汇编程序, 服务器广告协议
v. excavate the earth beneath
考试类型：[托福/GRE]
sap的用法和样例：
例句
- These bugs drink much sap every day.这些虫子每天吸食许多树液。
- Maple sugar is made from the sap of maple trees.枫糖是由枫树的树液制成的。
- The sap flowed out when he broke the stem of the flower.他把花茎折断，汁液就流了出来。
- It was the beginning of the spring and the sap was rising in the boys.正当初春季节，勃勃的生气在小伙子们身上奔涌。
- They are ventilating the sap of a coal mine.他们正在使煤矿坑道通风。
- The criticism sapped his determination.批评削弱了他的决心。
- I was sapped by months of hospital treatment.我住院治疗几个月
- Her long illness gradually sapped her strength.长期的患病使她的体力渐渐衰竭。
词汇搭配
- sap up on someone殴打某人
经典引文
The sap of youth shrinks from our veins.
出自：LyttonThe 183rd Tunnelling Company had been mining Russian saps.
出自：H. WilliamsonA crazy building, sapped and undermined by the rats.
出自：DickensHe saw some big fellows sapping up a group of little kids.
出自：L. Armstrong
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