Packless pump
[化] 无填料泵
🧩 词语组成解析
[化] 未包装的; 无填充的; 无填料的
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
the girl he was in love with in college married someone else.
他大学时代所爱的女孩跟别人结婚了。
In case of fire, keep your head.
万一发生火灾，保持镇定。
What's the weather like today?
今天天气怎么样？