把题目范围缩小
网络释义
... 把范围缩小了 that narrows it down 把题目范围缩小 narrow the topic down 缩小您寻找的范围 narrow your search ...
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原声例句
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If I went on and told you what the different incident light was, and what the electrons were ejected with, and then you could look up the ionization energy for the particular different elements, you should be able to actually determine exactly which element it is, but just with the information given, we can only narrow it down to these choices here.
如果我继续告诉大家入射光源是什么，出射电子的动能是多少，那么你可以去查一查,以上各个元素的电离能，这样你就应该能确定,这个元素到底是哪个，但是只凭题目中的信息，我们只能把范围缩小至以上几种元素。
应用推荐
$firstVoiceSent
- 来自原声例句