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问题 while可以接短暂动词

He squared his shoulders, saluted, and held the book out toward the woman, although even while he spoke he felt the bitterness of his disappointment. ①spoke在这里不是短暂动词吗，为什么用while不用when？②前面的even是修饰后面的整个从句吗？

问题 essential 为什么跟在名词后面

It lacks the vitamins and minerals essential for health. 这句话essential 为什么跟在了名词后面呢，做的是什么成分? 求指教!~

问题 介词 to 在本句中如何理解

Some of the visual references are to well-known images from history, art and popular culture. 请问老师 to 在本句中如何理解呢？可以省略嘛？ 谢谢老师！

问题 how的用法

... year of life is a critical period for this “experience-guided growth” and it is not hard to see  how a sudden shift into high gear might derail it.生命的第一年是“经验指导成长”的关键时期，因此，不难理解的是突然换挡提速可能会导致脑发育出轨请问这...

问题 划分句子成分

... risk for spreading the deadly virus, the U.S. Centers for Disease Control and Prevention said.老师，您好，我想请教一下这个句子的成分划分，尤其是逗号后面的成分到底是该句的主谓部分还是同位语什么的？谢谢老师

问题 on board的用法问题

请视原句：But few will be as sensible and considerate when making the long journey of life <on board> a big 'social' or 'global' train.请问该句中的词组 on board 后为何可直接跟名词？

问题 请教一句话的理解

看一篇食物安全文章中一句话，if we hunted all of the world's wild mammals and birds, they'd get us by for a few days.请教这句话中的get us by是一个固定表达格式吗？如何理解它的使用和表达含义呢？

问题 现在分词和过去分词的区别

The Winter Olympic Games has promoted many home-grown brands like Anta, Li Ning and Peak to global star brands.grow和brand为主谓关系，句中的home-grown brands是否可以home-growing brands？

问题 is customary for的意思

Many of the animals were in prime condition and had more body fat than is customary for animals arriving from the wild.请问is customary for在此处是什么用法？感觉可以直接去掉？

问题 or在否定句中的意思

想请教下or在情态动词should的否定句当中是翻译成“也不”还是“或者”？比如说：He should not laugh or shout.那么or可以翻译成and表示“和”嘛，还是翻译成“或者”？

问题 请教介词over to的含义

看到一句话 and started shipping the domesticated reindeer over to Alaska.请教可否认为这句话中over to是一个介词短语？如果这句话里如果使用介词to比较over to，在表达含义上有什么区别？

问题 steeped in history在这里充当什么成分

And steeped in history, Bakewell’s oldest building dates back to Henry VIII’s reign.

问题 spoke about的问题

The last man to face-and beat-Nadal, 80th-ranked Botic van de Zandschulp, who is 29, spoke after his 6-4,6-4 victory about idolizing the Spaniard.这句话spoke 应该接后面这个about吧？为什么这里有两个6-4?

问题 介词后可以用主格的疑问词吗

在老师下发的资料中有这样一句对话：A: He said that he had to borrow some money?B: From who?我觉得句子中的 who 用错了，应改为宾格 whom。但老师说这是口语体或非正式文体，在口语或非正式文体中也可以这样说的，我觉得老师是在用“口...

问题 Gone are the days这种类型的倒装常见吗

Gone are the days when geeks wore shapeless T-shirts to prove that they didn’t care about physical appearances. 请问：Gone are the days这种类型的倒装常见吗？