source in中文什么意思

例句与用法

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1. There are many other energy sources in store .
   还有许多种其它能源尚未开发。
2. It has its source in jealousy .
   它的根源在于嫉妒。
3. It has its source in envy .
   它的根源在于嫉妒。
4. Coal is one of the most important energy sources in the world .
   煤是世界上最重要的能源之一。
5. They have been able to trace the source in fewer than 40 per cent of reported cases .
   已报道的病例中，找到病原的不到40%。