Heliogyro
直升飞机
🗣️ 情景例句
The professor runs a restaurant on the side.
这个教授的副业是开饭馆。
Hey you! Don't touch that picture!
喂，你！别碰那幅画！
We must conclude from the work of those who have studied the origin of life,
我们必须从那些研究生命起源的人的工作总结出：