Siemens ozone tube
[机] 西门臭氧管
🧩 词语组成解析
n. 西门子（财富500强公司之一, 总部所在地德国, 主要经营电子电气）
ozone
['əuzəun, əu'z-]
n. [化]臭氧;清新空气;
🗣️ 情景例句
I really have to go.
我真的得走了。
I asked him to leave immediately, but he wouldn't.
我请他马上离开，但是他不肯。
I'm sorry I don't know. You'd better ask that policeman over there.
对不起，我不知道。你最好问问那边的警察。