The relative contents of the five elements (C, N, O, Si, and Al) at surface depths of 3-5 nm were detected by using a machine. 老师您好，这是一句native speaker 写得科技论文中的句子，其中relative contents 和five elements 在前文中，都没有提过，也不确定说话...
...一个句子：It is only when one is ill that one realizes the importance of health. 人们只有在生病时才知道健康的重要性。英语部分为什么不是：It is only when one is ill that does one realize the importance of health.
The new generation of IT systems requires software development capabilities that support new middleware and emerging application architectures.A new generation of scientists became fascinated by dinosaurs. 上面两个例句冠词可以互换吗，如果可以，换了过后意思的变化是...
老师们好，我在小说中见到一句话：Said cavalry consisted of exactly two people: Marie Law-son, a tiny blonde with rectangular glasses, and her chunky (to put it charitably) boyfriend, Will. 其中 Said cavalry consisted of exactly two people，我有些困惑 said 是省去...
... by workers moving massive stone blocks,China's great wall spans
thousands of miles and is large enough to be seen from outer space.像分词短语、介词短语这样的成分，很多时候既可以看做定语又可以看做状语。个人感觉这两种短语，做什么成分和他们在句中...
...irst potential location (S1) is outside the town itself, and is sited just off
the main road to the town of Hindon, lying 12 kms to the north-west.请问老师句中现在分词lying的主语是什么，是 the first potential location (S1)，还是 the town of Hindon？这种用法是否会引起...
...ther on health, development, and energy the last twenty years has been one of the most rewarding parts of our lives. 问题：the last twenty years前面为什么没有介词？它可以单独作状语吗？
原句：This will lead to a far greater diversity of urban landscape designs than are apparent today.参考翻译：这将带来远远丰富于今日的城市景观多样性。疑问：原句中“than”后面有没有省略了什么成分呢？为什么是“than are apparent”这么奇怪的结...
The Three Bears were all around her, so Goldilocks jumped out of bed and hurried out of the house without her basket.这是外研版七年级下册金凤花姑娘和三只小熊的那篇文章。我的问题是，这里的bed明明是实际的床，为什么不加the？
...个朋友不能译为my
three friends，要用双重所有格three
friends of mine？二、还有汤姆的三本书也不能译为Tom’s
three books，为什么也要用双重所有格译为
three books of Tom’s ？三、看了很多资料，my是物主限定词是中位限定词，名词所有...
...ing, describes her role as "straightforward, brave and intransigent", that of a brave heroine who battles against societal bias to pursue her culinary dream.饰演凌小小的年轻女演员何瑞贤认为，她饰演的角色“直率、勇敢、不妥协”，是一位勇敢的女主人公，她...