improver
n. 改进者;改善者;改良物
例句
That bread improver is not suitable for their production method.
可能这个面包添加剂不适合它现有的生产方法。
We should capitalize on every chance we get to improver our English.
我们应该充分利用一切机会来提高英语水平。
In addition, with the use of improver obtained by assembling the necessary flexibility.
另外,通过配合使用改良剂,获得了组装所需要的柔软性。