Polyranger
多量程仪表
🗣️ 情景例句
I was laid off.
我下岗了。
She is hard to please.
她很难取悦。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，