[with obj.]make (something) longer, especially unusually so in relation to its width 拉长,使伸长,使延长 ■prolong (a sound) 拉长(声音),使(声音)变长 she can sing—notes are elongated and given fullness without a quiver. 她会唱歌——拉长音符,将每个音都唱得饱满而没有一丝颤抖。 ■[no obj.](chiefly Biology)grow longer (主生)变长
adjective
(chiefly Biology)long in relation to width; elongated (主生)狭长的,长形的;拉长的,延伸的 elongate, fishlike creatures. 似鱼的细长生物。
语源
late Middle English (in the sense 'move away, place at a distance'): from late Latin elongat- placed at a distance’, from the verb elongare, from Latin e- (variant of ex-) 'away' + longe 'far off', longus 'long'