Tonofibril
张力原纤维
🗣️ 情景例句
What basic principles do you apply to your life?
你在生活中最基本原则是什么？
My brothers must help with the house work at home.
我的兄弟在家里必须帮忙做家务。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。