The conventional theory is that people yawn when bored or sleepy because yawning raises blood oxygen levels, which in turn raises alertness.whchi in turn 在这里不是否定吧？是进一步吗？
...好，请看教辅中的一个句子 Scheduled at 3 pm next Friday in the lecture hall, the contest will have 32 participants, each representing one class. 请问老师，句首的Scheduled at 3 pm next Friday in the lecture hall是修饰the contest的定语吗？ 如果分析...
...we write or speak, we are faced with a myriad of choices: not only choices in what we say but in how we say it.请问这里的是否出现错误了，我觉得应当是：choices not only in what we say but in how we say it.
...如主语、宾语或表语等；2. 用作指导性标题（directive headings），即文章或段落的标题以及书名等。但不能用作独立的句子。例如，Practical English Usage指出：We do
not usually begin a direct question with How to ... ?, What to ... ? etc. After question ...
MA：Janet, do you... think that your daughters gain a tremendous amount
from their education?JAN：I think they... they gain a certain amount of um... necessary
knowledge, yes, but I wish it was broader. I wish thatinstead of being driven
towards passing exams that they had, certainly at this stag...
“So few authors have brains enough or literary gift enough to keep their own end up in journalism,” Newman wrote, “that I am tempted to define ‘journalism’ as ‘a term of contempt applied by writers who are not read to writers who are’”.在上述句子中，So few authors have brains ...
As set out in the Framework on Implementation of Agenda 2063 and Agenda 2030, the UN and the AU will prioritize poverty eradication, work more closely in areas including agriculture, education, health and infrastructure, and support the African Continental Free Trade Area, mitigate the economic fa...
Our vicar is always raising money for one cause or another, but he has never managed to get
enough money to have the church clock repaired.one … or
another 的 one 后面可以使用不可数名词吗？
accepted or deserving to be accepted as one of the best or most important of its kind.这句话是摘自classic的释义，为什么中文翻译是同类中最好的，而不是同类中最好之一，和she is one of the tallest girls in our school有区别吗？
... new type of rehabilitative robot for the upper limb is designed. The main work includes the following aspects:这个是中文：根据偏瘫的康复治疗理论，分析了国内外康复机器人研究现状，从康复训练功能、控制策略、安全性等几个角度提出总体要求。根...
...developed more advanced requirements for temperature measurement, research work of science communities and engineering communities on thermoelectric properties has been very active.近年来，随着现代科学技术的发展和各种尖端技对测温的要求，科学界和工程界对热电偶...