Methylurethan
[医] 甲基乌拉坦
🗣️ 情景例句
autograph copies for the guests at the opening?
在展览开幕时为客人在书上亲笔签名呢
I want to fly to Chicago on Thursday, the 1st.
我要在1号，星期四飞往芝加哥。
He opened it and saw the man from downstairs.
他打开门，看见楼下人。