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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 compute the circular area with radius.
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。
circumference 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。 |