Dialkyl
[机] 二烷基
🗣️ 情景例句
Mm, I'm in a hurry too.
哦，我也有点儿急事要办。
This is our official offer for each item, CIF Shanghai.
这是我方对每项产品的CIF上海的正式报价。
The more expensive kind of antique shop where rare objects are beautifully displayed in glass cases to keep them free from dust is usually a forbidding place.
高档一点的古玩店为了防尘，把文物漂亮地陈列在玻璃柜子里，那里往往令人望而却步。