when matter is heated,it expands是什么意思

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• 先行词是the way,place,time,reason关系副、代词何时可省?为什么这句要加where:We've all used thermometers to measure temperature but sometimes we need to measure temperature in places WHERE you can't put a thermometer.语法说,先行词是the way,表示方式,可用that（可省）或in which来引导一个定语从句.如果先行词是时 间或原因,也可用that（可省）或when或why来引导定语从句.如：（1）This was the reason that/why he was late yesterday.（2）This is the last time that I shall give you a lesson.这句是道改错题,还要加上where 是什么原因?没表达清楚，我的意思是that代替关系副词，那么我这道改错题为何还要加
• capacity在这是什么意思?Negotiations on the agreement collapsed in July last year after India and the United States *ed over the capacity of poor nations to raise tariffs and protect vulnerable industries when agricultural imports surged.
• pain I good want to cry.中文意思是什么I like with you when together you love the appearance which smiles,but I quite am now grieved,pain I good want to cry.这是全问,求中文意思
• Researchers have established that when people are mentally,bio-chemical changes occur in the brain 请问这个句子中brain后的that属于句子的那个成分,还有其后的指代词it 指代的是什么,这个句子该怎么分析成分,谢谢!Researchers have established that when people are mentally engaged，bio-chemical changes occur in the brain that allow it to act more effeetively in cognitive（认知的）areas such as attention and memory. 不好意思刚才句子不完整，请大家帮我分析一下，谢谢！
• When do they like camping together?这句英文是什么意思?
• If you or your students are looking up words from every sentence,the reading level is too high.looking up words from every sentence是什么意思?上下文是这样的：Choosing appropriate reading materials can be difficult for learners and teachers.When you are trying to choose text to read in a different language,you may feel overwhelmed.Reading should be interesting and the level should not be too difficult.If you or your students are looking up words from every sentence
• 请问下面这句英语的汉语意思是什么?They say "Lightning never strikes twice in the same place",but there is every chance that Usain Volt will strike again later this week,when he will try to break the 200 metres world record he set in Beijing.
• the officers are holding a meeting on when to widen the road...when是什么时候的意思吗
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• It is said that you will appear in the dreams of others when you fail to fall asleep. 是什么意思.
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