Reciprocating piston pump
[化] 往復式活塞泵
?? 詞語組成解析
[醫] 交互的, 往復的
piston
['p?st?n]
n. <機>活塞;
pump
[p?mp]
n. 抽水機;打氣筒;泵;輕軟舞鞋;
v. 用泵輸送 ;涌出;急速搖晃;盤問;
??? 情景例句
Let's get in shape.
咱們去健身吧。
When the fox preaches, take care of your geese.
佛口蛇心。
Tom and I are going to have a holiday.
我和湯姆準備去度假。