常見例句The pressure behind this shock wave drives an inward-moving shock wave that heats the ejecta, seen as the aqua cloud. 激波后的壓力驅(qū)使內(nèi)行激波加熱物質(zhì),也就是圖中淺綠色的云團。The expanding ejecta drive an outward-moving shock wave that races ahead of the ejecta into the interstellar gas (bright outer rim). 膨脹的拋出物驅(qū)動著外行激波,領(lǐng)先于拋出物沖入星際氣體(明亮的外緣)。First came the impact, which sent a rain of molten rock into the air and formed an "ejecta" layer for hundreds of miles around. 首先是沖擊,使熔融巖石沖進空中并且在數(shù)百英里周圍形成一個噴出物的層,然后變成海嘯,勞頓說:"海浪沖向熔融巖石并且把它帶回到深水"。In 1994 Hubble began seeing spots brighten in sequence along the central ring: the supernova ejecta smacking into the ring. 1994年哈伯開始觀測到中央環(huán)上一連串的亮點,這代表超新星的噴出物霹靂啪啦地撞上了環(huán)圈。Searches in the data for impurity clues in the water-ice dominated plumes and surface ejecta are progressing. 科學(xué)家持續(xù)不斷的研究這些由水冰主宰的羽狀煙柱及表面噴發(fā)物,來尋找水存在的可能性。Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material. 這些放射狀隕石坑產(chǎn)生于天體撞擊濺出的地下物質(zhì),綿延在遍布隕石坑的水星表面數(shù)百公里。 返回 ejecta