trace

1How far back can you trace your family tree?你的家譜可以追溯到多少代？《牛津詞典》

2He was able to trace his ancestry back over 1 000 years.他可追祖溯宗至1 000年以前。《牛津詞典》

3Staff will be able to trace calls at the touch of a button.員工只要一按按鈕就可以追蹤電話。《柯林斯英漢雙解大詞典》

4"The most important thing is to be honest," she says, without the trace of a blush.“最重要的是要誠實。”她説道，絲毫不臉紅。《柯林斯英漢雙解大詞典》

5I leave no trace and have no friends.我不會留下任何痕跡，而且我也沒有朋友。

6Can one trace this same pattern far back in prehistory?我們能把同樣的這種模式追溯到遙遠的史前嗎？

7Instead this new enzyme incorporates another trace metal, cadmium.相反，這種新酶加入了另一種微量金屬——鎘。

8They try to trace through every piece of data linked through those.他們試圖追蹤每一個通過這些鏈接的數據。

9Each time this initial memory trace is "replayed", it becomes even stronger.每次“重播”這段原始記憶軌跡時，它都會變得更加深刻。

10Indeed, Mr. Prance's new device can pick up the trace of a heartbeat from a metre away.事實上，Prance 先生的新設備可以在一米之外捕捉到心跳的痕跡。

11This will add some variety to the trace output to illustrate the power of the technique.這樣將為跟蹤輸出添加一些變化，以説明該技術的強大能力。

12Information about dietary variation among community members is derived by analyzing trace elements in human bone.關於社區成員之間飲食變化的信息是通過分析人體骨骼中的微量元素得到的。

13A group of researchers reveal scores of studies that trace the relationship between health and interaction with others.一組研究人員公佈了大量追蹤健康和與他人互動之間關係的研究。

14One way to determine your foot shape is to do a "wet test"—wet your foot, step on a piece of brown paper and trace your footprint.有個能確定你的腳型的方法就是做“濕足測試”——把你的腳浸濕，踩在一張牛皮紙上，然後勾畫出你的腳印。

15These minerals can be dated by radioactive decay techniques because of the very small quantities of radioactive trace elements they, in turn, contain.這些礦物可以用放射性衰變技術測定年代，因為它們所含的放射性微量元素非常少。

16Like a family tree that you might use to trace back through generations of ancestors, only it's showing a family of genetically related languages instead of people.就像你可以追溯祖先的家譜一樣，它只是在顯示與遺傳相關的語言，而不是人類。

17They could trace the growth and shrinkage of continental glaciers, even in parts of the ocean where there may have been no great change in temperature—around the equator, for example.他們可以追蹤大陸冰川的生長和收縮，即使是在温度變化不大的海洋區域——比如，赤道附近。

18Rather than merely a sign, it is the root from which we can trace back to our ancestor, the tie that helps bind us to other members of the same clan, the dignity most people hope to live for.它不僅僅是一種標誌，更是我們可以追溯到祖先的根源，是將我們與同族其他成員聯繫在一起的紐帶，是大多數人希望為之而活的尊嚴。

19By analyzing the DNA, the genetic material of the proteins, the researchers could focus on the toxic genes and use them to trace the evolution of snake venom, and from this, the evolution of snakes.通過對 DNA 及蛋白質中的基因物質進行分析，研究人員可以專注於有毒基因，並利用它們得到蛇毒的進化軌跡，這樣也就知道了蛇的進化源。

20He vanished without trace.他消失得無影無蹤。《牛津詞典》

21The trace showed a normal heart rhythm.描記圖表明心率正常。《牛津詞典》

22The ship had vanished without (a) trace.那艘船消失得無影無蹤。《牛津詞典》

23She spoke without a trace of bitterness.她説話時一點兒也不傷感。《牛津詞典》

24Our efforts to trace him turned up nothing.我們辛辛苦苦跟蹤他，卻無功而返。《牛津詞典》

25One day he left, disappeared without a trace.有一天他離開了，消失得無影無蹤。《柯林斯英漢雙解大詞典》

26All her yesterdays had vanished without a trace.她的過去已經完全煙消雲散了。《牛津詞典》

27A trace of hesitancy showed in Dr. Stockton's eyes.一絲遲疑出現在斯托克頓醫生的雙眼中。《柯林斯英漢雙解大詞典》

28They can trace their lineage back to the 18th century.他們的家族可以直接追溯到18世紀。《柯林斯英漢雙解大詞典》

29She could trace her family tree back to the 16th century.她能把本族家譜追溯到16世紀。《牛津詞典》

30The prince's manner was informal, without a trace of pomposity.王子的態度平易謙和，沒有一點傲氣。《牛津詞典》 ^[1]