4周搞定2000+托福核心词
abstract = abs(离去) + tract(拉) = 被拉开→心不在焉
abstraction = abs(离去) + tract(拉) + ion(表名词) = 被拉开→抽象
把东西拉出来→查到，找到
trace
常考释义
Later, portable camera obscuras were developed, with interior mirrors and drawing tables on which the artist could trace the image.
之后，便携式暗箱诞生，内置镜子和制图板让艺术家可以捕捉到图像。
来源于：阅读OFFICIAL44 P2v. 查出，找到
Police are anxious to trace two men seen leaving the house just before 8am.
早上将近8点时有人看到两名男子离开那所房子，警方急于找到他们。
We thought it'd be fun to trace your lineage all the way back.
我们觉得要是找出你的家系肯定很有趣。
来自《拜见岳父大人3》
图片源自网络
By 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.
通过对DNA及蛋白质中的基因物质的分析，研究人员就能专注于有毒基因并用其找出蛇毒的进化轨迹，这样，也就找到了蛇的进化源。
来源于：听力OFFICIAL21 L5Later, portable camera obscuras were developed, with interior mirrors and drawing tables on which the artist could trace the image.
之后，便携式暗箱诞生，内置镜子和制图板让艺术家可以捕捉到图像。
来源于：阅读OFFICIAL44 P2v. (把透明纸覆盖在底样上)映描，描摹
She learned to draw by tracing pictures out of old storybooks.
她通过描摹旧故事书上的图画学会了画画。
Did some of the great masters of painting, then, trace their images using a camera obscura?
那么在当时，是否有绘画大师曾使用暗箱来描绘图像呢？
来源于：阅读OFFICIAL44 P2v. 追溯，追究
The exhibition traces the history of graphic design in America from the 19th century to the present.
展览追溯了美国从19世纪至今的平面设计历史。
They 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.
他们能够追踪大型冰川的增长和减小，即使是那些海洋中温度变化不太大的区域，比如说赤道附近。
来源于：阅读OFFICIAL19 P3And Proto-Indo-European branched out into other languages, which evolved into others, so in the end, many languages spoken all over the world today can trace their ancestry back to one language, Proto-Indo-European, which was spoken several thousand years ago.
并且，“原始印欧语系”还和其他的语言之间相互交叉，而这些语言又和别的语言相联系；总之，现今世界上流行的许多语言之间都可以溯源到一个共同的母语，即“原始印欧语”，它的使用时间大概是几千年之前。
来源于：听力OFFICIAL19 L2n. 少许;微量
He took great pains to write on his subject without a trace of sensationalism.
他尽力不带一丝哗众取宠的色彩来写作他的题材。
n. 痕迹，遗迹，踪迹
The local church has traces of fifteenth-century frescoes.
当地教堂仍留有 15 世纪壁画的遗迹。
Those traces fused with your memory of that day.
那些痕迹跟你对那天的记忆融合在了一起。
来自《鬼遮眼》
图片源自网络
v. (用手指或脚尖等在表面上)勾画…的轮廓，描绘，勾勒
I traced the course of the river on the map.
我在地图上勾勒出这条河的流向。
v. 追述，记述
Her book traces the town's history from Saxon times to the present day.
她的书描绘的是这个市镇从撒克逊时代到现在的历史。
n. 描记图，轨迹，扫描线
The trace showed a normal heart rhythm.
描记图表明心率正常。
n. 挽绳，套绳
n. 生痕化石；踪迹化石
trace amount
痕量；微量
trace analysis
痕量分析
trace fossil
生痕化石；踪迹化石
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