Column bottoms pump
[化] 塔底泵
🧩 词语组成解析
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
n. 底部沉积物；残留物；蒸馏残渣；下装；臀部（bottom的复数形式）
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 woke up when I heard someone speak.
一听到有人说话我就醒了。
I often finish school in the afternoon.
我常常在下午放学。
The men were now obliged to try once more.
工人们只得再来一次。