Diethylnitrosamine
二乙基亚硝胺
🗣️ 情景例句
So, why don't you call him in the morning?
那么你为何不明天早上打个电话给他？
The pot calls the kettle black.
五十步笑百步。
From 1830 onwards in the USA and from about 1870 in Canada, settlers began to move westwards and to take possession of the plains as their own.
美国自1830年起，加拿大从1870年左右起，殖民者开始向西迁移，并把平原据为己有。