Aerologation
测高术航行, 压力型飞行, 单航向飞行
🗣️ 情景例句
Your new exercise class?
你的新健身班
I would like to call a plumber to come this afternoon.
我要叫一个水管工人今天下午来。
That's the trouble, vicar,' answered Bill.
“问题就在这里，牧师，”比尔回答说。