英语词汇干线火车是什么意思，干线火车的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	干线火车
释义	DEFINITIVE EXAMPLES 权威例句〔line〕Mainline services can be very quick, but travelling on the branch lines is much slower.乘坐干线火车速度很快，但支线就慢得多了。剑桥高阶
随便看	chromosome map chromosome matrix chromosome number chromosome polymorphism chromosome pulverization chromosome reduction chromosome repeat chromosome ring chromosome satellite chromosome segment chromosome structure chromosome structure chromosome technique chromosome theory chromosome theory chromosome thread chromosome translocation chromosome translocation chromosomes chromosomes chromosomes chromosomesubstitution chromosomin chromosomology chromosonema

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