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问题 这里的in是什么意思

he gave a speech in which he thanked all the pupils.

问题 sign的用法

Rapid breathing and breathlessness can be a sign of lung disease, particularly asthma and bronchitis.请问老师，过快呼吸和上气不接下气后面的sign为什么不用signs?

问题 句子结构分析

Your boss proposes a new initiative you think won't work.请问老师这句话中的“you think won't work”是一个夹杂着宾语从句的定语从句吗？之前并没有见到过这样类型的定语从句，请老师解答！

问题 英语难句翻译

Adding to a woman's increased dose of stress chemicals,are her increased "opportunities" for stress这个句子如何理解？求解释

问题 spent的奇怪用法

不太明白下面句子中 spent 的用法：The children arrived home spent after playing a whole day in the park.这是不是有所省略什么的啊？

问题 分析句子的语法结构

The devices use a "dual-camera system" the company says produces much-improved picture quality.看不懂语法结构。

问题 key processor 是什么意思

Can you use a key processor?这里的 key processor 是什么意思？

问题 adjusting做状语

But in the medium term, middle-class workers may need a lot of help adjusting.这个句子解析说adjusting做状语，这种ing形式的动词充当状语是什么现象呢？谢谢!

问题 动名词的逻辑主语

The trend towards viewing competitiveness as a trait can be positive.想问一下，这里分词的逻辑主语是哪个呢？

问题 句子翻译及分析！

They registered themselves thus after being allotted farm and by a former government of the state of Uttar Pradesh, led by the Samajwadi party.麻烦句子翻译及分析！

问题 后置定语还是插入语

He utters a high-pitched cry,characteristic of pigs. 这里characteristic 是后置定语修饰cry还是插入语？

问题 成分分析

Efforts to reclaim the land and restore the basin to the fertile valley it once was … those efforts are still ongoing. It's been a long and tedious process.这里的efforts是those efforts 的同位语吗

问题 dress code是什么意思

Members must conform to a strict dress code.dress code是什么意思?

问题 现在分词的句法功能疑问

A bill was passed lowering the legal age of consent.请问这句中的现在分词 lowering 起什么作用？

问题 finished用法

Mary spent the morning painting a picture. When she was finished, she showed it to her parents.请问老师：finished在这里是看作一个形容词吗？还是过去分词形式呢？这算是被动结构吗？但是被动意思好像也不对？