Anthrazine
[化] 二蒽并[1,2-1',2']哒嗪
🗣️ 情景例句
Especially when it comes to speaking in English and fortunately or unfortunately.
特别是要用英文来演讲，不知是幸运还是不幸。
If I had known that, I could have helped you.
假如我早知道，我就能帮你了。
How do I control myself? I can't calm down.
我怎能控制我自己？我无法冷静下来。