Anthraciny
蒽化作用
🗣️ 情景例句
Now, the important thing is to get the hook close to the fish.
现在最重要的是让鱼钩靠近鱼。
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
We cannot change a law.
我们不能变更法律。