Phenanthraquinone
[化] 菲醌
🗣️ 情景例句
That's a great idea, Grandpa!
这太好了， 爷爷。
Littel chips light great fires.
星星之火，可以燎原。
He wrote books about communism. He said that all communists should help each other.
他写了不少关于共产主义的著作。他说所有的共产党人都应该互相帮助。