您要查找的是不是：
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- There are two breakers in this circuit. 这个电路里面使用了两个断路器。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- A replaceable printed circuit board. 一种可替换的印制电路板。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- The circuit of the city walls is three miles. 环绕本市城墙的周长是三英里。
- This charge is a positive charge. 这个电荷是正电荷。
- She shows a very positive attitude to her work. 她工作态度非常积极。
- There must be a break in the circuit. 电路中一定有断路。
- Can you be positive about what you hear? 你对听到的话有把握吗？
- A short circuit will blow the fuse. 短路会烧断保险丝的。
- A short circuit put the machine out of action. 短路使机器停转。
- He has a positive attitude towards life. 他对生活持有积极的态度。
- The number of positive numbers is infinite. 正数的数目是无穷的。
- The switches close the contacts and complete the circuit. 这些开关可使接触器接通电流形成回路。
- Are you positive that you saw him? 你肯定你看到他吗?
- Don't connect up the two wires, or there will be a short circuit. 不要把这两条电线接在一起，否则会短路的。
- The rocket did one circuit of the earth and returned to base. 火箭绕地球运行一周后返回基地。
- He was positive that he had seen it in the newspaper. 他肯定他已在报纸上看见过。
- There have been positive developments in international relations. 国际关系已逐步改善。
