4周搞定2000+托福核心词
circadian = circ(圆，环) + dian(天) = 生理节奏的
circle = circ(圆，环) + le(反复) = 圆环反复→循环周期
vascular = vas(血管) + ular(形容词) = 有血管性质的→血管的
multicellular = multi(多样的) + cell(细胞) + ular(形容词) = 多细胞的
圆的，循环的
circular
常考释义
adj. 圆的；圆形的
It's a circular hole twelve feet wide and two feet deep.
这是一个12英尺阔、2英尺深的圆坑。
The circular marks on Joseph Purl seem almost ritualistic.
约瑟夫·玻尔身上的圆形标记似乎有象征意义。
来自《犯罪心理 第8季第20集》
图片源自网络
At this point it looks kind of like a thin dinner plate that rather than being circular, is hexagonal with six flat edges.
这个时候它看起来就像是一个带六个旗边的薄薄的六边形餐盘，而不是圆形的。
来源于：听力OFFICIAL52 L5Archaeologists have uncovered numerous circular structures dating from that period that appear to have been used to store grain.
考古学家发现那个年代建了很多圆形建筑用来储存谷物。
来源于：听力OFFICIAL35 L3See, circular structures have also been found in early Natufian settlements, so archaeologists believe that these were also food storage structures based on their physical similarity to the structures in later settlements.
你看，在早期的纳图夫人居住地我们也发现了圆形的建筑结构，所以基于两者结构的物理相似性，考古学家相信这也是储存食物的地方。
来源于：听力OFFICIAL35 L3And the spot where the gravity readings are especially high...this is right in the middle of a 500-kilometer wide, circular ridge, what could be part of an old impact crater.
在那些重力特别大的地点……刚好在500千米的一个圆形山脊的中间，那就可能是一个老的陨石坑了。
来源于：听力OFFICIAL35 L6Most scientist came to accept the meteorite theory after evidence came to light that a circular formation, 180 kilometers in diameter in diameter and centered on the north coast of the Yucatan Peninsula, was created by a meteorite impact about 65 million years ago.
科学家们逐渐接受了陨星理论，因为他们看到了六千五百万年前陨星撞击产生的圆形构造的证据。该圆形构造直径为180公里，围绕在尤卡坦半岛的西北岸。
来源于：阅读OFFICIAL33 P3He pointed out that the shape of sunspots, well, the sunspots weren’t circular.
他指出，太阳黑子的形状并不是正圆的。
来源于：听力OFFICIAL18 L2Modern irrigation devices, each capable of spraying 4.5 million liters of water a day, have produced a landscape dominated by geometric patterns of circular green islands of crops.
日喷水量达到450万升的现代灌溉设备，形成了一个圆形绿岛作物为主的景观。
来源于：阅读OFFICIAL3 P2n. 印制的广告；传单；通告 【营销】
The proposal has been widely publicised in BBC-TV press information circulars sent to 1,800 newspapers.
英国广播公司电视台发送给1,800家报社的新闻通报中对这项提议进行了广泛的宣传。
Go to the truck and get the stockpile of circulars.
去车上把那堆传单拿来。
来自《打工姐妹花 第1季第13集》
图片源自网络
adj. 循环论证的
The argument is a circular one and essentially meaningless.
这是一个循环论证，其实毫无意义。
adj. （路线）环行的，环形的
Both sides of the river can be explored on this circular walk.
沿着这条环行线路走一圈，河的两岸就都可以看到了。
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