Pumping
n. 抽水, 泵送\\n[化] 抽运
🗣️ 情景例句
Some people seem too think its for practicing grammar rules and learning lists of words.
一些人认为它是用来操练语法规则和学习一大堆单词。
I often take a bath at night.
我常常在晚上洗澡。
Have you ever driven a BMW?
你有没有开过“宝马”？