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- He likes to trace the origins of all things. 什么事他都喜欢推本溯源。
- He like to trace the origins of all things. 什么事他都喜欢推本溯源。
- To trace the origins of the Irish problem, we have to go back over three hundred years. 要探讨爱尔兰问题的起因就要追溯到三百多年以前。
- To trace the origin or development of(a word). 追溯追溯（一个词的）根源或发展
- To trace the origins of the irish problem,we have to go back over three hundred year. 要探讨爱尔兰问题的起因就要追溯到三百多年以前。
- To trace the origins of the irish problem, we have to go back over three hundred year. 要探讨爱尔兰问题的起因就要追溯到三百多年以前。
- Ask where they get the stems cells and I bet you they can not fully trace the origins. 问问他们从哪里得到的干细胞，我向你们打赌他们不能完全追查到源头。
- Worked with state and federal agencies to conduct trace the origin and distribution of potentially infected animals. 与州和联邦机构一起工作追踪潜在感染动物的源头和传播
- The composition of oxygen isotope is a good tool to trace the origin and formation environment of sulfate. 摘要氧同位素组成是一个非常有效的示踪硫酸盐的起源和形成环境的工具。
- Historical records trace the construction of the origin of the Wall to defensive fortification back to the year 656 B. 历史记录追踪建造的起源长城防御工事回到公元前656年在国王统治时期的成国储。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- The kids are learning to trace the letter. 孩子们学描字母。
- An etymologist can trace the origin and development of a word, but who can identify the moment when absolutely took off? 一名词源学家可以追踪一个词的源头和发展；但是谁能发现”肯定“什么时候流行的呢？
- By rewinding the video of a zebrafish embryo, the researchers were able to trace the origin of cells that formed specific tissues, such as the retina at the back of the eye. 通过回放斑马鱼胚胎的录像，研究者可追寻出组成特定组织比如它眼球上的视网膜的原细胞。
- What was the origin of the quarrel? 这场争吵的起因是什么?
- The family are trying to trace the missing dog. 全家人正在设法找寻失踪的狗。
- The police are trying to trace the missing man. 警方正在设法寻找那位失踪的男子。
- We must trace the source of these noxious gases. 我们必须查出毒气的来源。
- Is this the original drawing or is it a copy? 这是原画还是模本?
- The original picture is in the British Museum. 这幅画的原作在大英博物馆内。
