| 1. | An oven thermometer uses a metal strip . 加热炉用金属丝作为温度计。 |
| 2. | Electrons in a metal come out of the surface . 金属中的电子逸出表面。 |
| 3. | An amalgam is a solution of a metal in liquid hg . 汞齐是金属在液态汞中的溶液。 |
| 4. | A base is the hydroxide of a metal . 碱是金属的氢氧化物。 |
| 5. | A metal has a crystalline structure . 金属具有晶体结构。 |
| 6. | Historically, wafers were waxed onto a metal plate . 过去片子是用石蜡固定到金属板上。 |
| 7. | Perhaps there is a metal ring, and the ring has to go on a tube . 也许有一个金属圈必须套在一根管子上。 |
| 8. | To detach an electron from a metal it must be given energy . 要想从金属中析出一个电子,必须给电子能量。 |
| 9. | Her electroscope was a metal case with two holes in its side . 她的验电器是一个金属盒子,旁边有两个小孔。 |
| 10. | The analysis chamber consists of a metal block which houses an annulus . 分析室由金属块组成,内装一个环。 |