Naphthotocopherol
[医] 萘生育酚
🗣️ 情景例句
The selection here is very large, it may be difficult to choose.
这里有很多式样可以选，可能很难决定。
I ought to write a letter.
我应该写一封信。
It is much cheaper to post or email a long report than to fax it.
邮寄或电子邮递一封长篇报告比传真要便宜得多。