Oleficin
烯烃菌素
🗣️ 情景例句
Like what special matters?
什么样的特殊状况？
These shoes are worn-out.They've lasted a long time.
这些鞋子旧了。已经用了很长时间了。
This is to help you start your school.
这是帮助你开办学校用的。