您要查找的是不是：
- vapor desity bulb 蒸汽密度球管
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- The light bulb in the kitchen burnt out. 厨房里的电灯泡烧坏了。
- This type of bulb screws into the socket. 这种灯是拧到灯座上的。
- We will have to change the bulb; it's gone. 电灯泡爆了，我们需要换一个。
- Light glared from the unshaded bulb. 无罩灯泡发出耀眼的光。
- Chemicals that produce a noxious vapor when mixed. 化学物质混合后会放出有毒气体
- Water can be changed into vapor when heated. 水被加热时，可以变成水蒸汽。
- A liquid condensed from vapor in distillation. 蒸馏液; 馏出物在蒸馏中，从蒸汽浓缩的液体
- Having a tunic, as the bulb of an onion. 有膜皮的，有鳞片的，如洋葱球的茎
- Something, such as air or vapor, that is exhaled. 散发物以气体或蒸汽形式发散出的东西
- Do you know who is the creator of the electric bulb? 你知道谁是电灯的发明者？
- I can see clearly that the filament in the bulb is broken. 我可以很清楚地看到灯泡里的细丝断了。
- One that condenses, especially an apparatus used to condense vapor. 冷凝器冷凝器具，尤指用于冷却气体的设备
- An amount of vapor, smoke, or similar material released in a puff. 烟，蒸汽量在一次呼气中散发出的蒸汽、烟雾或类似物质的量
- One of the small sections of a separable bulb, as that of garlic. 小鳞茎一种可分离鳞茎的一小部分，如大蒜的一瓣
- A bright electric bulb glowed above our heads. 通亮的灯泡在我们头上闪闪发光。
- Old World leek with a spherical bulb. 旧大陆的一种带有球形茎的葱。
- Exhaled air, as evidenced by vapor, odor, or heat. 呼出的空气如通过水气、味道或热气显示出来的
- Do not inhale the vapor during reflow. 不要吸入回流焊时喷出的蒸气。
