to sap a rubber tree
割胶
to sap pinewood
晒干松木
the job that sapped one's effort
耗费精力的一项工作
vt.sapped.sapping
Many of the demonstrators were sapped.
许多示威者被警棍击昏了。
英汉双解词典包含483723条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。