标题: og12 95 [打印本页] 作者: Kath1985 时间: 2011-6-1 20:00 标题: og12 95 The peaks of a mountain range,acting like rocks in a streambed, produce ripples in the air flowing over them;the resulting flow pattern, with crests and troughs that remain stationary although the air that forms them is moving rapidly, are known as “standing waves.”
(A) crests and troughs that remain stationary although the air that forms them is moving rapidly, are (B) crests and troughs that remain stationary although they are formed by rapidly moving air, are (C) crests and troughs that remain stationary although the air that forms them is moving rapidly, is (D) stationary crests and troughs although he air that forms them is moving rapidly, are (E) stationary crests and troughs although they are formed by rapidly moving air, is 答案C 請問這題要怎麼翻譯? 查過帖子沒有人解釋句意 作者: 泡泡水格 时间: 2011-6-1 20:24
山脉的顶峰，和河床中的礁石一样，使在它们上方吹过的气流产生波浪：尽管形成它们的空气快速的流动着，这些顶峰和凹槽仍保持静止不变，这一因而形成的流动模式被称为“standing waves",