Diglycol
二甘醇, 一缩二乙二醇
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
When did you leave?
你什么时候离开？
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。