| 1. | In algebra , the sign x usually denotes an unknown quantity. |
| 在代数中,x符号通常代表一未知的量。
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| 2. | She is rather behind the rest of her class in algebra . |
| 她的代数学得比班里的其他同学差得多。
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| 3. | Mary is eating up the course in algebra . |
| 玛丽在如饥似渴地学习代数。
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| 4. | Algebra is a mathematical language. |
| 代数是一种数学语言。
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| 5. | John pulled down an A in algebra by studying hard. |
| 约翰通过努力学习，代数得了A。
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| 6. | Algebra is beyond the comprehension of fourth-grade pupils. |
| 代数是四年级小学生难以理解的。
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| 7. | In algebra , the sign " X " usually denotes an unknown quantity. |
| 在代数里，符号“X”常用以表示未知数。
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| 8. | Our class got lots of drill in algebra . |
| 我们班做了大量的代数练习。
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| 9. | Four years after he graduated from school, Tom decided to dust off his algebra book. |
| 毕业4年之后，汤姆决定重温代数。
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| 10. | Are you stuck over your algebra ? |
| 你的代数遇上麻烦了吗？
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