Xanthophane
视网膜黄素
🗣️ 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。
Good things have just begun!
好戏就要开锣喽。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。