Septoidea
隔板古杯纲
🗣️ 情景例句
Because I care.
因为我关心。
It won't fit; you'll have to go to the post office.
那不行，你必须去邮局才行。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。