Even though, the boy liked to bounce up and down.
尽管如此，男孩还是喜欢上下弹跳。
The head should not bounce up and down during this drill.
在做这个训练的时候，头部不允许上下移动。
Patient: Why do you ask me to bounce up and down on my bed?
病人：为什么你让我在床上上下蹦跳呢？
Medicine Patient: Why do you ask me to bounce up and down on my bed?
病人：为什么你让我在床上上下蹦跳呢？
Medicine Patient: Why do you ask me to bounce up and down on my bed?
病人：为什么你让我在床上上下蹦跳呢？
应用推荐