地质年代学以地质事件测定的地质历史年代学.The chronology of the earth's history as determined by geologic events.他绘制了罗曼斯语的语言年代学图谱.He mapped the glottochronology of the romance languages.同位素测年及化石年代学法是蛇绿岩年代学研究的基本方法.The isotopic dating and...
The vowel in words like "my" and "thigh" is not very difficult.单词my和thigh中的元音并不难发。Each language has a different vowel system.每种语言都有不同的元音系统。A long vowel is a long sound as in the word'shoe ".长元音即如“shoe ” 一词中的长音....
全国的学生都相信高等教育是有用的。Belief in the utility of higher education is shared by students nationwide.我们淹没在大量的数据中却找不到有用的信息。We were drowning in data but starved of information.有她在那儿还是挺有用的，能开车带他到处跑。It was certainly useful to have he...