4周搞定2000+托福核心词
exterior = exter(出去) + ior(较…的) = 出去走远一点→外部
aborigal = ab(表加强) + orig(开始) + al(...的) = 起源而来→原始的
additional = add(加上) + ition(表名词) + al(...的) = 加上的→附加的
外部的
external
常考释义
In addition to the internal variability of the global climate system itself, there is the added factor of external influences, such as volcanoes and solar activity.
除全球气候系统本身的内部变化之外，还存在其他外部的影响因素，如火山和太阳活动。
来源于：阅读OFFICIAL10 P2adj. 外面的；外部的
The external features of the building are very attractive.
这座建筑物的外观是很吸引人的。
No external signs, but time in the water.
没有外伤，但在水里泡久了。
来自《犯罪心理 第7季第6集》
图片源自网络
In addition to the internal variability of the global climate system itself, there is the added factor of external influences, such as volcanoes and solar activity.
除全球气候系统本身的内部变化之外，还存在其他外部的影响因素，如火山和太阳活动。
来源于：阅读OFFICIAL10 P2Without the external cue, the difference accumulates and so the internally regulated activities of the biological day drift continuously, like the tides, in relation to the solar day.
在没有外部信号时，不同的收集方式和这种内在的调节机制作用下的生物活动保持着继续，比如潮汐，就与太阳日有关系。
来源于：阅读OFFICIAL13 P2Such an external cue not only coordinates an animal's daily rhythms with particular features of the local solar day but also—because it normally does so day after day-seems to keepthe internal clock's period close to that of Earth's rotation.
这样的外部信号不仅可以通过当地白昼的特性调节动物的日常节律，而且还保证生物钟循环周期接近地球自转周期——因为这些活动日复一日。
来源于：阅读OFFICIAL13 P2As a result, its activities are shifted relative to the external cycle of the new environment.
但与此同时，生物活动又因为新环境的外部循环而产生变化。
来源于：阅读OFFICIAL13 P2Further evidence for persistent internal rhythms appears when the usual external cycles are shifted—either experimentally or by rapid east-west travel over great distances.
通常外部循环发生突变以后，生物钟持续性就会出现进一步的证据，如科研或者横跨东西快速的长途旅行通常。
来源于：阅读OFFICIAL13 P2For transitions of such suddenness, archaeologists consider either pull factors (benefits that drew families together) or push factors (some external threat or crisis that forced people to aggregate).
对于这些突然的转变，考古学家考虑到了拉力因素（吸引家庭聚在一起的好处）和推力因素（迫使人们聚在一起的外部威胁或危机）。
来源于：阅读OFFICIAL24 P3And an ectotherm, ecto- meaning external, an ectotherm gets its body heat mainly from outside its own body, meaning from its environment, mostly from the sun's radiation.
而一个变温动物，变温意味着体温来自于身体外部，一个变温动物从身体之外获得热量，也就是从环境里获得，大多数是从太阳辐射获得的。
来源于：听力OFFICIAL37 L6Eventually, having two sets of equivalent symbols—the internal tokens and external markings—came to seem redundant, so the tokens were eliminated (circa 3250-3100 B.C.E.), and only solid clay tablets with two-dimensional symbols were retained.
最终，有两套对等的符号-内部符号和外部痕迹-这看起来累赘，所以符号被消除（大约公元前3250-3100年），只有带有二维符号的黏土碑被保留。
来源于：阅读OFFICIAL53 P1adj. 外界的；外来的；外在的
Other people or external forces over which you have no control seem to subtly undermine your efforts - or try to overpower you altogether.
你无法掌控他人或外界压力，他们会在无形中破坏你的努力，或者试图压倒你。
Such events occur only when the external conditions are favourable.
这样的事情只有在外部情况适宜时才会发生。
The continuation of biological rhythms in an organism without external cues attests to its having an internal clock.
在没有外界信号的时候生物也能延续生物节律，这说明生物是具有生物钟的。
来源于：阅读OFFICIAL13 P2By isolating organisms completely from external periodic cues, biologists learned that organisms have internal clocks.
通过将生物与外界的周期性现象完全隔离，生物学家们发现生物的确有生物钟。
来源于：阅读OFFICIAL13 P2adj. 外用的【医】
Many people will go to the hospital shot acne acne-pin, true, external of the acne needle can quickly defeat the acne.
很多人长痘痘会到医院打一针痘痘针，确实，外用的痘痘针也能很快击退青春痘。
adj. 外的；体外的；体表的【解剖,生理】
We find that the external appearance of the embryo and its sacs during the alaqah stage is similar to that of a blood clot.
我们发现胚胎在血块阶段的外观和囊袋很像一块凝血。
adj. 客观的；外部世界的【哲】
Sensing means that a person believes mainly information he or she receives directly from the external world.
实感是指一个人主要相信由他或她接收的来自外部世界的信息。
adj. 外扰，外部干扰
adj. 外部中断
adj. 来自校外的；来自机构外部的【教育】
n. 参加校外课程的学生【教育】
n. 外观；外表；外部特征
external interrupt
外部中断
external disturbance
外扰，外部干扰
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