Lobe pump
[化] 凸轮泵
🧩 词语组成解析
lobe
[ləub]
n. 耳垂;肺叶;脑叶;裂片;
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
He's running for the school board.
他正在竞选联合校董会董事。
Did you go play ball last night?
你昨晚去玩球了吗？
When were you born?
你什么时候出生的？