lamp black

常見例句

Who can know that your eyelids have not been touched with lamp-black?For your eyes are darker than rain-clouds.
誰會(huì)知道你的眼瞼上沒有畫眼影？因爲(wèi)你的眼睛比墨雲(yún)還黑。
Lamp-black: A type of pigment for black ink. It is prepared by the incomplete combustion of materials such as vegetable oils or petroleum under insufficient air.
燈黑：制黑墨所用顔料之一。是在空氣不足情況下使植物或石油等物料燃燒所得。
The products of dissociation are carbon, in the form of lamp-black, and hydrogen. Considerable amounts of heat are generated by dissociation, which may produce explosions of great violence.
分解産物是燈黑子形式的碳和氫。分解産生大量熱，可能産生劇烈的爆炸。

So, if you use a black lamp or something and you excite something up to a higher energy level and then it relaxes back down to its lower energy state, it's going to emit a new wavelength of light, which is going to be visible to you.
如果你用一個(gè)紫外燈或別的,東西把某種分子激發(fā)到,更高的能級(jí)，然後它會(huì)掉廻,到低能級(jí)，它就會(huì)釋放,一個(gè)新的波長(zhǎng)的光,這個(gè)光是可見的。
麻省理工公開課 - 化學(xué)原理課程節(jié)選

By the 17th century, the walls of the court were painted with a noisome cocktail of ox-blood, ox-gall, lamp black and a bucket of urine: soon afterwards, tennis became unfashionable and all but disappeared—to be revived as a modified, open-air sport, in the wake of the invention of the lawn-mower, by Major Wingfield in the 1870s.
ECONOMIST: History of the net