Pectobonthridia
栉槽亚纲
🗣️ 情景例句
It has a full basement,
全地下室，
When three know it, all know it.
三人知，天下晓。
a flight attendant told us to keep calm and to get off the plane quietly as soon as it had touched down.
一位空中乘务员告诉我们要保持镇静，待飞机一着陆，就马上不声不响地离开飞机。