双语例句原声例句权威例句
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The little boy was careful enough to come first in the exam.
这个小男孩很细心，考试得了第一名。
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Mum, I've got the first prize in the final exam.
妈妈，我期末考试得了第一名。
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About 12 weeks before your first exam, record the dates and times for each of your exams in your planner or diary and make a copy to put on your wall at home.
在你第一次考试前12周，把每一次考试的日期和时间记录在你的计划或日记本上，并拷贝一份贴在家里的墙上。
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Let's move on to the last topic in terms of this first exam, which is thinking about the idea of isoelectronic atoms, or isoelectronic ions. And isoelectronic is very straightforward, it just means having the same electron configuration.
下面我们继续讲第一次考试的最后一个主题，也就是等电子原子，或等电子离子的概念，“等电子的“是非常直接的表达，它的意思就是具有相同电子排布的。
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