Dipropyl carbanilide-4,4'-dicarboxylate
[化] 对称二苯脲-4,4'-二甲酸二丙酯
🧩 词语组成解析
[机] 二丙基
[化] N-碳酰苯胺; 对称二苯脲
🗣️ 情景例句
I generally go to bed at ten.
我通常十点钟睡觉。
A friend is a second self.
朋友是另一个我。
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。