他的一个六年级学生是一个新移民，这名学生抵制他老师付出的最大努力，逐渐掉队。

One of his sixth-grade students, a recent immigrant, was gradually falling behind, resisting his teacher's best efforts.

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《整体环境科学》的一篇论文显示，中国最大的淡水鱼可能已经在2005年至2010年间灭绝了。2019年9月，该论文的作者危起伟表示，一些专家认为这种一级保护鱼类已经灭绝。

A paper from Science of the Total Environment shows that the largest freshwater fish in China might have gone extinct between 2005 and 2010. Wei Qiwei, author of the paper, said in September, 2019, some experts supposed that the first-class protected fish had been extinct already.

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这三次地震中最大的一次被定为7.3级。

The biggest of the trio registered as a 7.3.

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you're looking for that first entry-level job that's going to help develop you the best that you can.

寻找的是能够最大程度地帮助自己发展的入门级工作。

我的职业是 - SpeakingMax英语口语达人