Pick-up pump
[化] 真空泵
🧩 词语组成解析
pick
[pɪk]
vt.& vi. 挑选，挑拣;挖，采，摘，剔，扒;挑剔;
n. 选择;收获;精华;
up
[ʌp]
adv. 在上面，在高处;起床，起来;向上;由低到高;
adj. 向上的;上升的;竖立的，垂直的;举起的;
vt.& vi. 增加;加速;提高;举起，拿起;
prep. 在…的上端;向高处;沿…而去;向…上游;
n. 上升，升高;兴旺，繁荣;上坡;（价格等）上涨;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Does the library have computers with Internet access?
图书馆有可以上网的电脑吗？
Would you please read the draft contract and make your moments about the terms?
请仔细阅读合同草案，并就合同各条款提出你的看法好吗？
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，