...strade gazed at my companion that he had learned a gooddeal since the days when they had first worked together. I could well remember the scorn which the theories of the reasoner usedthen to excite in the practical man.请教老师: 没看懂the scorn which the theories of the reasoner used then ...
这两句话中为什么要用完成时分别表示完成时的什么用法? 谢谢!So great has been the rise in sea level and the consequent regression of the coast that much of the archaeological evidence exposed in the coastal zone is derived from what was originally terrestrial occupation.One f...
遇到了一句"逗号+with"将主语和谓语隔开的句子,搞不明白。Despite this characteristic, the most common drawback for any PD controller, with unknown dynamics or even with unmodeled dynamics is the error signal differentiation. 句中为什么用逗号和with将主...
I looked around and finally spotted David, who was standing by himself off to the side by a
fence.这是来自2022年高考英语新全国卷2的读后续写的阅读材料的句子。请问这里为什么用
spotted,而不用
saw, find?