Dimethoxy
二甲氧基
🗣️ 情景例句
Could you get one for me, please?
麻烦你帮我叫一辆好吗？
Would you rather she came to see me?
你愿意她来看我吗？
so they insured it for the trip.
于是，他们对这只盘子的运输安全投了保。