pump

/pʌmp/
高考四级六级考研托福雅思
释义
英文释义
n. a mechanical device that moves fluid or gas by pressure or suction n. a low-cut shoe without fastenings v. operate like a pump; move up and down, like a handle or a pedal v. deliver forth
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#3,444
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#3,444
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#4,317
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词形变化
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