graded down的用法和样例：
例句
- She grade down her buying when uncertain about one's future.
由于前途未卜她因而减少购买数量。 - The road is no longer fit for heavy traffic, and will be finally graded down.
这条公路不适应繁忙的交通，最终会被降低级别。
graded down的相关资料：
临近单词
gradely
grade
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