2021考研英语1575词汇解析

　　evaporate [ ɪˈvæpəreɪt ]

　　vi. 蒸发,挥发;消失 以t. 使蒸发;使挥发;使沉淀;发射

　　例►Although liquid water on Mars will quickly evaporate ，photographs trans-mitted back to Earth by previous NASA missions to the planet reveal giant flood channels, dry river beds, and flood plains on the surface.

　　虽然火星上的液态水会很快蒸发，但国家航空和航天局以前勘测火星时发回地面的照片显示,火星表面有一些洪水流过的巨大沟渠、干枯的河床及漫滩地带。

　　构►e-(出)+vapor(蒸汽)+-ate(动词后缀)-→使水汽溢出一+使蒸发

　　faint [ feɪnt ]

　　a.微弱的;不明显的;暗淡的n./vi. 昏倒;昏晕

　　例►On a dark background, dark type is faint,whereas on a light background, dark type is pronounced.

　　在黑暗背景下,暗色的物体不明显;而在明亮背景下，暗色的物体就会很突出。

　　Mary had recovered from her faint and was lyingonthebed.

　　玛丽已从昏迷中醒过来,躺在床上。

　　同►obscure, feeble, dim

　　派►faintness n.虚弱

　　faintly ad.微弱地