Dimethylacetal
[化] 二甲基乙缩醛\\n[医] 二甲缩醛
🗣️ 情景例句
Thanks, Richard.
谢谢你 Richard。
I'm not really sure.
我不太清楚。
Fortunately for me, as I was wondering what to do next, there appeared on the horizon a man on horseback, riding in my direction.
不过，我是幸运的，正当我走投无路之时，从天边出现一个骑马的人向我骑来。