Pentitol
戊五醇, 戊糖醇
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
I'd like to try on this sweater.
我想试穿这件毛衣。
At last firemen have put out a big forest fire in California.
消防队员们终于扑灭了加利福尼亚的一场森林大火。