Upgrader
质量改善装置；升级程序
✅ 同义词
🗣️ 情景例句
What's your idea of price?
价格如何？
First, Mr. Stone Lee, our sales manager, will make a few remarks.
首先，请我们销售经理世通先生发表讲话。
In the library she has got books on many different subjects.
在图书馆里她准备了各种科目的书籍。