Dimethylethanolamine
二甲乙醇胺
🗣️ 情景例句
Jnice to have you with us.
很高兴你能跟我们在一起。
I'm mad at myself.
我生自己的气。
She gave her luggage to a porter and showed him her ticket.
她把行李交给搬运工并给他看了车票。