Fea
有限元分析
🗣️ 情景例句
Just listen to the sound.
听听这些声音。
You have to study English, don't you?
你必须学英语，不是吗？
After that she helped her parents. She quickly cooked the supper, and cleaned the house.
之后她给父母帮忙。她很快煮好了晚餐，并把房子打扫干净。