The homework portion of your total grade is the aggregate of all of those weekly test scores.

你们总分中家庭作业的部分,则是这些每周测试的分数的总和。

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I've got a really bad grade on my test.

我在一门测试中考了一个很差的成绩。

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Your stomach sinks, you have that sinking feeling in the pit of your stomach, when you get a bad grade on a test.

当你考试考砸的时候,你的胃会垂下去,或者说,会有胃部下垂的感觉

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