Aeronavigation
空中导航
🗣️ 情景例句
My grandfather is very much alive and kicking.
我的祖父还健在。
Oh? Where were you?
哦，上哪儿去了？
As Daniel Goldin of NASA observed, 'Finding life elsewhere would change everything.
正如美国国家航空和宇宙航空局的丹尼尔。戈尔丁指出的“在其他地方发现生命会改变一切。