Ram pump
[化] 柱塞泵
🧩 词语组成解析
ram
[ræm]
n. 公羊;<天>(R-)白羊（星）座;<机>夯;攻城槌;
vt. 夯实（土等）;猛撞;猛压;反复灌输;
vi. （使）猛烈撞击;迅速移动;迫使…明白;
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
It's hard to do anything but listen in this family.
在这个家庭 除了听别人之外还能怎样。
You know that some countries are selling this kind of products at cheap prices in large quantities.
您知道有的国家对这种商品正在削价抛售。
Where are you staying in Guangzhou? I hear that the hotels there are very expensive.
在广州你打算住在哪儿？我听说那里的旅馆收费很高。