Erythrotin
維生素B12的舊名
??? 情景例句
Have you had dinner yet?
你吃晚飯了嗎？
I'm going to try to leave by 10:00.
我爭取10點以前離開。
There will be a strong wind to the north of the Huai River.
淮河以北地區(qū)有一股強(qiáng)風(fēng)。