Piston blower
[化] 活塞式鼓风机
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
blower
['bləuə]
n. 吹风机;送风机;电话;
🗣️ 情景例句
I'm doing great.
我很好。
I'd say the expected delivery date should be by the end of the month.
我得说预定发货日期应该在本月底。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.
虽然人类有智力和道德上没有得到普遍提高，但在知识积累方面却取得了巨大的进步。