Most are not rated, some got 1 out of 5, and one got 4 out of 5.
很多是不评分的,很多人得了1分(分制),只有1个拿了4分。
This demo works 4 out of 5 times, why is it giving me an error sometimes?
这个演示工作4到5次,为什么要给我一个错误的时候吗?
Lower back pain, also referred to as lumbago, affects 4 out of 5 people at some time in their lives.
下背痛,也被称为腰痛,影响4 5人在一段时间在他们的生活。
So then in order to figure out the complete number of valence electrons in our molecule, we just add 5 plus 4 plus 1.
那么接下来为了得到,这个分子中价电子的总个数,我们只需要将五加上四,再加上一。
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