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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。
- 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。
- arithmetic sequences 数列
- Summation formula for power of the arithmetic sequence of number 等差数列的幂和公式
- Intelligent creatures in any part of the universe would be able to understand a simple arithmetical sequence. 宇宙中任何其他地方的有智力的人，都能理解一个简单的数学序列。
- There are several frightening sequences in the film. 影片中有几组吓人的连续镜头。
- What's the correct answer to this arithmetic question? 这道算术问题的正确答案是什么?
- On Several Inequality of the Power of Positive Term Arithmetic Sequence 关于正项等差数列方幂的若干不等式研究
- Sequences of rock units are incompletely known. 岩石单元的层序了解得不完全。
- My brother is poor at arithmetic. 我弟弟的算术很差。
- Repeated sequences are often present in the genome. 基因组内常常有重复性序列。
- There are no protocol sequences. 没有协议序列。
- 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。
- We do addition and subtraction in arithmetic. 在算术里，我们作加减运算。
- Does that mean that you have to discard sequences? 那意味你不得不丢弃一些连续的镜头。
