Lhs
产生式规则左部
🗣️ 情景例句
Yes?
是吗？
I'm fine, and you?
我还好，你呢？
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。