Phenophenanthrazine
[化] 苯并菲嗪
🗣️ 情景例句
If you have any trouble, let me know.
如果你有任何的麻烦，请告诉我。
Haste makes waste.
拔苗助长。
I think the blue dress is prettier.
我认为那件蓝色的更漂亮些。