holdback的用法和样例：
例句
用作名词 (n.)
- I am sure that you can talk whatever you can write if you have no holdback in pronunciation because the source is the same.
如果没有发音障碍，能写什么自然就能说什么，因为无论写还是说都同样来自大脑。
词汇搭配
- holdback mechanism 后挂机构
- two-stage holdback device 两级锁定机构...
- holdback device 夹具
- hold back 阻碍
