Phenophenanthrazine
[化] 苯并菲嗪
🗣️ 情景例句
You're very lucky to have a caring family.
你很幸运有一个温馨的家庭。
A straw shows which way the wind blows.
一叶便知秋。
It came to a stop outside the jeweller's.
在珠宝店门口停了下来。