withdraw: vt.(-drew; -drawn )1.缩回(手等)。2.抽回，收回，领回，使退出。3.回收(通货等)；提取(存款)。4.撤退(军队等)。5.撤销；褫夺(特权)。6.取消，撤回(申请、诉讼等)。 withdraw a boy from school 把孩子从学校里领回[退学]。 withdraw troops from a place 把部队撤离某处。vi.1.退去，缩回
The safe yield of a ground water reservoir was defined by meinzer(1920)as "the practicable rate of withdrawing water from it perennially for human use. " 地下水库的安全开采量，据迈因策（1920）所下的定义为：“供人们长期使用的实际可能的开采水量。”
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The safe yield of a ground water reservoir was defined by meinzer ( 1920 ) as " the practicable rate of withdrawing water from it perennially for human use . 地下水库的安全开采量，据迈因策（ 1920 ）所下的定义为： “供人们长期使用的实际可能的开采水量。 ”
