漫画搞定六级词汇(音频+文本) 第101期

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circle n．圆周，圆形物，派系，循环 v. 围，环绕，盘旋
例句：I need experience to get a job, but without a job I can't get experience—it' s a vicious circle．
我得有经验才能找到工作，可是没有工作我就无法获得经验一这真是个恶性循环。

circular adj. 圆形的，循环的  n．函件通知
例句：Jim can compute¹ the circular area with radius².
吉姆能用半径计算出圆的面积。

circuit n. 电路，一圈，周游，巡回
例句：The rocket did one circuit of the earth and returned to the earth.
火箭绕地球运行一周后返回地球。

circulate v. （使）流通，（使）运行，（使）循环，（使）传播
例句：Please open a window to allow the air to circulate.
打开窗子让空气流通。

circulation n．循环，流通，发行量
例句：The newspaper' S circulation has trebled since last year.
去年以来该报的发行量已增加到原来的三倍。

circumference³ n. 圆周，周围
例句：An arc isa part of the circumference of a circle or other curved lines.
弧是圆周或曲线的一部分。

circumstance n. 环境，详情，情况
例句：Due to circumstances beyond our control the lecture was cancelled.
由于无法控制的情况，讲座取消了。

diameter n. 直径
例句：The diameter of Mars is slightly over half that of the earth.
火星的直径比地球的半径稍大些。

1 compute   

v./n.计算，估计

参考例句：

• I compute my losses at 500 dollars.我估计我的损失有五百元。
• The losses caused by the floods were beyond compute.洪水造成的损失难以估量。

2 radius   

n.半径，半径范围；有效航程，范围，界限

参考例句：

• He has visited every shop within a radius of two miles.周围两英里以内的店铺他都去过。
• We are measuring the radius of the circle.我们正在测量圆的半径。

3 circumference   

n.圆周，周长，圆周线

参考例句：

• It's a mile round the circumference of the field.运动场周长一英里。
• The diameter and the circumference of a circle correlate.圆的直径与圆周有相互关系。