Jacketed pump
[化] 夹套泵
🧩 词语组成解析
a. 有套的；备有夹套的
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
How about $ 140 per case?
每箱140美元怎么样？
What channel are you watching now?
现在你在看哪个新闻？
they can locate and steer clear of obstacles -- or locate flying insects on which they feed.
并能通过回声来确定并躲开障碍物，或找到它们赖以为生的昆虫。