Diquinolyl
联喹啉
🗣️ 情景例句
We've got a movie.
我们知道是一部电影。
How much will all this cost?
一共要花多少钱呢？
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。