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- The little boy was not good at arithmetic. 这个小男孩算术不太好。
- She grounded her pupils well in arithmetic. 她给自己的学生打下良好的算术基础。
- They detected no defect in the product. 他们没发现产品有任何问题。
- This was his fatal defect; he was of feeble will. 这是他致命的弱点，他意志薄弱。
- He got the answer by mental arithmetic. 他用心算得出了答案。
- He is good at mental arithmetic. 他擅长心算。
- I'm good at history but not so hot at arithmetic. 我的历史成绩不错，但算术不太好。
- He brushed up on fractions before taking the arithmetic test. 在参加算术考试前他又重温了分数。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- A defect in the fuel lines prevented the missile from blasting off. 燃料管路上的一个缺陷妨碍了导弹的发射。
- In other cases, water was in excess, and fire in defect. 至于其它的情形则是水分太多，火候不足。
- One of the lorries dropped back with a mechanical defect. 一辆卡车因出故障而落在后面了。
- A defect in a legal document that can render it invalid. 破绽，失效可能导致其无效的法律文件的漏洞
- What's the correct answer to this arithmetic question? 这道算术问题的正确答案是什么?
- If it were not for this defect, I shall hire him at once. 如果不是因为这个缺点，我会马上雇用他。
- A defect of vision prevented him from focusing accurately. 视力上的缺陷使他不能准确对焦。
- My brother is poor at arithmetic. 我弟弟的算术很差。
- Her school report shows that she is weak at/in arithmetic and biology. 从她的学习成绩单可看出她算术和生物成绩差。
- Some hard problems in arithmetic bewilder me. 算术上一些难题使我糊涂。
