题是的英文

issue

problem

topic

• 题:    subject; title; to ...
• 是:    Semantics
• 问题是:    the thing is

例句与用法

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1. This time our topic is genetically modified food
   这次，我们的话题是转基因食品。
2. It is easy for you to work out the maths problem
   你解出这道数学题是容易的。
3. It ' s impossible for him to work out this maths problem
   他解出这道数学题是不可能的。
4. Our subject this week is children and aids
   我们这个周的话题是儿童于爱滋。
5. We are glad you are not watching tv right now
   虽然我们今天的话题是电视。