Tetrazotic acid
[化] 四氮酸
🧩 词语组成解析
🗣️ 情景例句
At six you're meeting, Mr. Ozawa.
六点钟 ，要会见Ozawa先生。
She is supposed to be one of the best singers.
大家认为她是最有名气的歌星。
I don't know. One, I think.
不知道，我想一岁。