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 stationary crests and troughs although they are formed by rapidly moving air, is known as "standing waves".
语法 Sentence Correction-465
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Hellosaaama 2016-10-27 20:27:43
with+名词 不能直接加although状语从句修饰名词
lilio 2016-05-09 12:18:06
cd: 他说因为altough是连词， with是介词， with后+名词+连词引导一个分句是不正确的，而that因为引导定语从句，套在with引导的介词短语内，是可行的。 网上查了一下altough的用法，因为是连词所以两边应该都有完整句子结构，除非有重合可省略部分。
CLAIRE513 2015-08-19 20:13:33
although引起的状语从句前面只有一个名词 并没有能修饰的对象
时光老人 2015-12-29 14:11:19
they=stationary crests and troughs 不合逻辑
lxn129 2015-08-28 11:08:17
altough是连词， with是介词， with+名词+连词引导一个分句是不正确的，而that因为引导定语从句，套在with引导的介词短语内，是可行的。
gaoyi2202 2015-06-21 15:01:05
* E为什么不对 意思层面： 除了主动优于被动； We want to contrast "stationary" with "rapidly moving air", (e) doesn't present that contrast clearly. C中的比较句式看起来很整齐； remain stationary 和 moving rapidly 比较、、、虽然一个是主系表，一个是主谓宾，总比E中把比较的对象放在by后面强
babylonia 2014-12-03 17:48:33
they 指代不明
William_Wu 2014-04-13 16:38:37
It is noun at front of Although, not a sentence
