| 单词 | pump action |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔circulation〕Movement in a circle or circuit, especially the movement of blood through bodily vessels as a result of the heart's pumping action.循环：沿环形或回路运动，尤指血液在心脏泵压作用下沿身体内血管的流动美国传统〔dispense〕The lotion is dispensed by a handy pump action spray.洗液由一个使用方便的按压式皂液器提供。柯林斯高阶The pumping action of the machine (=the part of the machine which PUMPS) needs repairing.机器的抽水部件需要修理。剑桥国际 |
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