Satellorb
模拟人造卫星的观察与研究气球
🗣️ 情景例句
And then, two years ago, my wife died.
接着， 两年前我妻子去世了。
What is the way to the airport?
哪一个方向是去飞机场？
Then they brushed ink on the paper.
然后，他们将墨汁刷在纸上。