Nitrosomethylurea
亚硝基甲尿
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年，现在理应熟悉各方面的工作了。
He is not in now.
他现在不在这里。
After seven days of this I went to a party.
这样过了7天以后，我去参加一次聚会。