Dialkyl
[机] 二烷基
🗣️ 情景例句
What's your impression of China?
你对中国印象如何？
The cat and dog may kiss, yet are none the better.
猫犬可相吻，莫逆却难成。
If there is one -- which I take leave to doubt -- then it is older people who create it, not the young themselves.
如果这个问题存在的话 -- 请允许我对此持怀疑态度 -- 那么，这个问题是由老年人而不是青年人造成的。