Ethanedioic acid
n. 乙二酸; 草酸
🧩 词语组成解析
🗣️ 情景例句
They are in Thessaloniki.
他们住在Thessaloniki
What's the date today?
今天是几号？
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。