Valzin
甜精, 乙氧基苯脲
🗣️ 情景例句
OK. Let's have a look at it.
好，让我们来看看。
Better deny at once than promise long.
轻诺必寡信。
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。