Penicilliopsin
霉菌丝色素
🗣️ 情景例句
I don't have the heart to tell her.
我没有勇气告诉她。
Do they have children?
他们有孩子吗？
Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths.
长期以来，历史学家一直对雕刻在墙壁上、骨头上、古代长毛象的象牙上的点、线和形形色色的符号感到困惑不解。