improved upon中文什么意思

例句与用法

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1. the notion came to her to improve upon the accompaniment with little trills and flourishes .
   她想出一个主意--用小颤音和华丽的音响改善伴奏效果。
2. is there anything you can do to improve upon this
   有没有一种方法可以改进这一点呢？
3. she has her lucid periods . we're hoping to improve upon the
   她仍然有清醒的时候所以我们想改进
4. control improves upon and replaces the
   控件如何改进和替换
5. she has her lucid periods . we're hoping to improve upon the . . .
   她仍然有清醒的时候所以我们想改进……