Duplex reciprocating pump
[化] 双缸往复泵\\n[医] 双筒往复泵
🧩 词语组成解析
duplex
[['dju:pleks]]
a. 双的, 复式的, 双联的, 二重的, 二倍的\\n[计] 双重的; 双工操作; 双工的; 双的; 双向的
[医] 交互的, 往复的
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
I think something he can use is the best. A watch or something.
最好是实用的，像手表啦或什么的。
Sometimes Henry peeps into his sister's diary.
亨利有时候会偷看他姐姐的日记。
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人类自夸的“征服”了空气的发动机。