Mistram
导弹弹道测量系统
🗣️ 情景例句
I called my parents from the airport.
我从机场打电话给我父母。
I'd like to make a reservation to Los Angeles for next Monday.
我想预定一张下周星期一去洛杉矶的飞机票。
You've done very well and made lots of progress.
你功课学得很好，进步很大。