找到约 30000 条结果

问题 为什么冠词不包括在先行词里呢？

The man who fixed the radio left this note.He lives in a skyscaper that is fifty stories high.为什么上面2句，后面的定语从句的先行词分别是man, skyscaper, 而不是The man, a skyscaper ? 为什么冠词不包括在先行词里呢？ 怎么理解呢？

问题 定语从句问题：demonstrate后面能跟定语从句吗

Numerical simulations are performed to demonstrate that the proposed scheme can guarantee the stability of closed-loop systems.我在demonstrate后面加一个定语从句来描述，不知道是否可以。中文意思：应用仿真来证明了提出的控制方案能够保证闭环系统的稳定...

问题 at the time引导时间状语从句

...he United States split off from Britain, for example, there were proposals that independence should be linguistically accepted by the use of a different language from those of Britain.老师好，这句话是在at the time后面加when，可是time后面不是可以省略when吗？

问题 in what it calls用法

The Australian government will legislate for a ban on social media for children under 16, Prime Minister Anthony Albanese said on Thursday, in what it calls a world-leading package of measures that could become law late next year.这句话的in what it calls...是不是在它所说的措施当中？

问题 句子动词开头无主语的情况有哪些

句子动词开头无主语的情况有哪些  如 Keep on working hard， and someday you'll be successful  为什么可以没有主语

问题 “一双眼睛”为什么不用pair

Billy had rosy cheeks and blue eyes. 比利脸上红扑扑的，长着一双蓝眼睛。这个句子英语里面并没有 pair，但汉语里面为什么有“一双”呢？

问题 in介词做方式状语

Proteins are found in  plant and animal foods in a variety of concentrations.意思是蛋白质以不同的浓度（含量）存在于动植物食品中。这句子中第一个in介词做地点状语，而第二个in是介词做方式状语修饰主语proteins，对不对？

问题 判断句子是否有语法错误

The AFs exhibit a long rod-like structure with the length up to several millimeters and  a cross-sectional diameter of about 35.5-37.6 μm.这个句子有没有语法错误呢？是正确的吗？请教一下老师。

问题 有时间参照的完成时用法

请问一下。Before my sister went for her interview, she researched the company on the Internet and consulted a few people.句中从句before有时间参照，为什么主句不用had researched呢？希望老师帮忙，谢谢了！

问题 He is better 理解

在《夸克语法》中，7.77 Comparison of good, well and ill 写道：He is better is ambiguous between(a) He is well again.(b) He is less ill.我只能理解(b)，(a)该如何理解呢？

问题 as在这里用法词性？

He looked round him with a furtive and stealthy air, as one who dreads pursuit. Then he vanished over the hill.怎么理解和分析as one who dreads pursuit？as在这里用法词性？ 这句话和前句的关系如何分析？

问题 这里的for是什么用法和含义

We're going to break with tradition this year and stay home for the holidays. 不懂这里的for是什么用法和含义？

问题 its指代谁

The exhibition, which opened this month at the National Museum of African American History & Culture, begins in a war-ravaged plantation house and ends with Georgetown University’s recent announcement of a bursary for the descendants of 272 slaves sold to cover its debts.谢谢老师！

问题 长难句分析与翻译

Last August, city officials interviewed about 500 residents to find out people’s attitudes to protecting the environment and what actions they had taken.句子摘自北师大高中英语必修第三册第8单元(p40)。请帮忙分析和翻译这个句子，谢谢。

问题 take oneself doing sth 疑惑

Gary and William took themselves shopping. 请问老师：上面例句正确吗？我知道有take sb doing sth的搭配，但是这里用了反身代词 themselves也可以吗？