Piston blower
[化] 活塞式鼓風機
?? 詞語組成解析
piston
['p?st?n]
n. <機>活塞;
blower
['bl?u?]
n. 吹風機;送風機;電話;
??? 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.
我得說預定發貨日期應該在本月底。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.
雖然人類有智力和道德上沒有得到普遍提高，但在知識積累方面卻取得了巨大的進步。