Polycysteine
[化] 聚胱氨酸
🗣️ 情景例句
When do you think you can return with street performances?
你觉得何时可以带来街头表演艺术的摄影？
Be a man!
要像个男子汉！
While they were talking it began to rain and Dimitri stayed in Aleko's house until the rain stopped.
就在他俩说话的时候，天下起了雨，迪米特里便呆在阿列科家里避雨，一直等到雨停为止。