When it cried, she rocked it back and forth and gave it little comforting pats.
当它哭的时候，她会前后摇动，轻拍安抚它。
In a conversation, do you prefer to think through your answers before speaking, or throw out whatever idea comes to mind and bat it back and forth?
在交谈中，你更喜欢在开口前把回答想透彻，还是会随意说出任何闪现在你脑中的想法？
When a wire is broken by bending it back and forth rapidly, some of the work is transformed into heat and the wire gets hot.
当把导线快速地(通过)来回弯曲折断时，部分功就转换成热，所以导线变热。
When a wire is broken by bending it back and forth rapidly, some of the work is transformed into heat and the wire gets hot.
当把导线快速地(通过)来回弯曲折断时，部分功就转换成热，所以导线变热。
应用推荐