Chrysofluorene
[化] 柯芴; 11-H-苯并[α]芴
🗣️ 情景例句
I need a CD-ROM recorder.
我想要一个光盘刻录机。
How can it be so small and heavy?
这样小何以这么重呀？
the chance of playing a game of football or baseball on Saturday afternoon.
让他们在星期六下午再踢足球或打垒球