到这时
双语例句原声例句
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到这时他30岁了。
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到这时她已经九十多岁了，越来越频繁地需要帮助。
By this time she was in her nineties and needed help more and more frequently.
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但是直到15世纪，铅条也在创新设计中发挥了作用，到这时它才被放到窗户里，作为设计的一部分。
But up to the fifteenth century, the lead strips also helped create the design—they were worked into the window as part of the composition.
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No, we can't. Because if l equals 1, we can not have m sub l equal negative 2, right, because the magnetic quantum number only goes from negative l to positive l here.
不行，因为如果ｌ等于１,ｍｌ的值不可能等于－２，对吧，因为磁量子数的值,这时只能从－１到１
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You're asked to take a long walk in the park with your parents. And you're just saying,
你还得陪父母到公园里散步。你这时会感慨道，
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At this stage I'm at my singleton case.
到这时，我已经得到单一元素情况了。
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