filament
发音
英 [ˈfɪləmənt]
美 [ˈfɪləmənt]
-
- n.
- [印,纺]长丝,单纤维
- [电]灯丝,丝极,游丝
- 细丝,丝状体
- [植](雄蕊的)花丝
单词词源
filament 灯丝,丝极
来自file,线,文件。引申词义灯丝,丝极。
双语例句
- 1. A good vacuum allowed the filament to glow without catching fire .
- 在一个好的真空环境中,灯丝能够持续发光而不着火燃烧。
- 2. Swan experimented with a filament of carbonized paper , but it burned out quickly .
- 斯万试验了用碳化纸作灯丝,但它很快就烧断了。
- 3. They could refuse to light up for no apparent reason , because of some infinitesimal rupture in the filament .
- 由于灯丝里极其微小的破裂,它们可以没有明显理由地拒绝点亮。
- 4. The projection bulbs used in cinemas operate at just 50 c below their filament 's melting point and have to be changed every 50 hours or so .
- 影院里的投影仪运作时的温度刚好比其灯丝材料的熔点低50摄氏度,因此使用时间达到50个小时左右时,投影仪的灯泡就需要更换。
- 5. Old-style filament light bulbs have been banned from shops across the eu from today in favour of more energy-efficient versions but is the new technology bad for your health ?
- 自今天起,为实施提高能源效率的方案,旧式的灯丝灯泡已在全欧盟的商店被禁止销售,不过这项新技术会对健康不利吗?