Ichthylepidin
鱼鳞硬蛋白
🗣️ 情景例句
I represent the Hassan Trading Company.
我是哈森贸易公司的代表。
This is Mary Speaking.
我是玛丽。
I must finish that first. But I think I can be free at six. May I come then?
00可能有空。我那时来可以吗？