Thiohydantoin
[化] 海硫因; 乙内酰硫脲
🗣️ 情景例句
Good afternoon. What's the trouble?
下午好。有什么不舒服吗？
It is better to do well than to say well.
理论好不如实际好。
There is so much variety that you never have to make do with second best.
物品种繁多，从来不必用二等品来凑合。