notch
核心词议：

速记方法
速记技巧 词源词根法 词源不详，可能来自nick，刻痕，引申词义等级。拼写比较bake，batch.

知识扩展
词组短语 notch filter陷波滤波器；凹口滤波器；阶式滤波器；top notch大腕；拔尖的，出众的

中文词源： notch 刻痕，等级 词源不详，可能来自nick,刻痕，引申词义等级。拼写比较bake,batch. notch
精选例句

常见考点例句：

Malta , slovakia and slovenia were also downgraded by one notch .

马耳他、斯洛伐克和斯洛文尼亚的评级也被下调一级。

It cut its rating on mcafee by a notch to " neutral . "

瑞银同时将mcafee的评级下降一级，为“中性”。

Last month standard & poor 's downgraded avon 's credit rating one notch .

上个月标普又将雅芳信誉等级调低一等。

It 's located in the notch that can be seen near the center of the photo .

它位于峡谷之内，可以在照片的中部看得到。

Utility companies themselves could chip in by automatically turning down air conditioning a notch during times of peak demand .

公用事业公司也可以参与进来，在需求高峰期将空调自动下调一个等级。