Gerroidea
水黾总科
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
It is better to be alone than in bad company.
无友要比交坏友好。
Both of them are exciting. I like watching them. Are you good at sailing?
这两种运动都令人兴奋。我喜欢看。你擅长帆船吗？