Among the most important are sulphate aerosols: tiny particles produced by the combustion of coal and some sorts of oil
that floatin the air, sully the lungs, kill millions—and also, by reflecting
away incoming sunlight, cool Earth.这个冒号的意义是做解释原因?这个冒号后面是...
I didn’t even touch it when I was in college, that’s how indifferent I
was to it.教科书上一篇课文的一句话,it指的是纸牌游戏,意思是我在大学期间甚至碰都不碰纸牌游戏,我对它就是如此冷漠。为什么可以直接用逗号连接两个句子呢这不是...
...疑惑如果我不知道这件事,光凭这个句子怎么来判断over nine days 是表示在9天还是超过9天呢?另外还想问一下,此句中用while比用when好在哪儿?Critical financial hub of Shanghai will be locked down in two stages over nine days while authorities carry out ...
Ukraine has been the subject of several of our By Invitation columns—The Economist’s equivalent of op-eds—of which we publish several each week and which have become increasingly popular in recent months.请老师看一下,这里是不是非限制性从句,这里的which指代的是前面...
有这样一个句子:Where I come from, we are not accustomed to seeing so many things in the shops.句中的 where I come from 有点奇怪:这个 where 是什么词性?如果 where 是连词,那介词 from 的宾语呢?如果 where 是副词,那 where I come from 是什么成分?求...
Those who failed to get in need not have felt disappointed.以上摘自新概念2课文中。needn't have done 我能理解,是本用不着做实际做了,但课文下面有个注释让我有点困惑。“need后接不定式的完成式表示不必做某事而实际已经做了。"我...