| 1. | The bulbs should be enclosed in safety shields . 灯泡应装在安全罩内。 |
| 2. | A bright electric bulb glowed above our heads . 通亮的灯泡在我们头上闪闪发光。 |
| 3. | The new plant forms new bulbs in vegetative reproduction . 增殖性繁殖新株长成新鳞茎。 |
| 4. | V is the volume of the bulb . V代表球泡的体积。 |
| 5. | The top of the bulb cd must be at a lower level than mark b . 球管CD的顶应低于标记B的水平面。 |
| 6. | To suction with a bulb syringe, push bulb in with your thumb . 用球吸引器时先用拇指把球压扁。 |
| 7. | It's a bulb pressure tester for detecting battery leaks . 这是检测电瓶漏气用的胶球压力试验器。 |
| 8. | The lack of air in the bulb prevents the filament from burning up . 灯泡内缺乏空气就使灯丝不致烧掉。 |
| 9. | I must get those bulbs planted before the cold weather sets in . 我得在天气转冷之前把这些球茎秧种上。 |
| 10. | I have sent off for those bulbs i saw advertised in the paper . 我已写信订购我在报纸广告上看到的那种灯泡。 |