Trioxid
n. [化]三氧化物
🗣️ 情景例句
Why don't we get in the car and drive home?
我们何不开车回家？
Whom do you want to talk to?
你要和谁讲话？
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。