lamp black
常見(jiàn)例句
- Who can know that your eyelids have not been touched with lamp-black?For your eyes are darker than rain-clouds.
誰(shuí)會(huì)知道你的眼瞼上沒(méi)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(jiàn)的。
麻省理工公開(kāi)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 返回 lamp black