Cerexin
蜡状菌素
🗣️ 情景例句
Would you please hand me your customs declaration form?
请出示您的申报表给我？
In college I majored in science.What was your major?
在学院我主修了自然科学，你主修了什么？
Give her the key.She always comes home early.
。把钥匙给她吧。她总早早回家的。