Manual drum pump
[化] 手动回转泵
🧩 词语组成解析
drum
[drʌm]
n. 鼓;鼓状物;鼓声;石首鱼;
vt. 击鼓;连打;反复讲;鼓吹;
vi. 击鼓;连打;拍翅;
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 am in the 7th grade.
我是七年级。
Although men are very different, often they have the same feelings.
人们虽然各自迥然不同，但是都具有相同的感情。
A foreigner living in a Swedish village wrote to the Ombudsman complaining that he had been ill-treated by the police, simply because he was a foreigner.
一个住在瑞典乡村的外国人写信给司法特派员，抱怨说他受到警察的虐待，原因就是因为他是个外国人。