Lactotoxin
乳毒素
🗣️ 情景例句
Are you ready, Alexandra?
想好了吗？Alexandra。
Because such constructive employment practices will greatly promote a better understanding of both American and Chinese cultures.
因为这个具有建设性的雇佣体系将会有力地推进对中美双方文化的更好了解。
Is there anything the matter?
出了什么事吗？