Dialkyl
[机] 二烷基
🗣️ 情景例句
I appreciate your help very much.
我非常感激你的帮助。
Would you please tell us the price of these electric heaters so as to help us make the decision.
能否告知这些电热器的价格，以便我们作出决定。
be nice to people we don't' like, drive carefully, and take the dog for a walk every day.
对不喜欢的人友善一些；小心驾车；每天都要带着狗散步；等等。