circumscribe

vt. 在...周圍畫線, 圍繞；限制

【簡介】To draw a line around; restrict 劃一條線包圍；限制

【記憶魚鉤】

1——詞根記憶

circum周圍+scribe寫→規定范圍→限制

2——趣味記憶

《西游記》“三打白骨精”中孫悟空給唐僧劃(scribe)了個圈(circum)，限制范圍，保護唐僧

3——同根詞

circum- 表示"環繞，周圍"
circumference n. 周長，圓周，周圍（circum+fer帶來+ence→帶來一圈→周長）

circumnavigate vt.環航(世界)一周（circum+navigate航行）

circumspect adj. 慎重的, 周到的（circum+spect看→看周圍→慎重的）

circumvent vt. 圍繞, 包圍, 智取，回避 （circum+vent走→繞圈走→圍繞,回避）

外接圓

A circle that is drawn around the outside of a triangle and contains all the vertices of the triangle.
在三角形外部畫的一個圓，包含了三角形的三個頂點。

【英英解釋】
vt.1. 限制 [often passive] to limit power, rights, or abilities 【SYN】bound confine fence in limit restrain restrict

vt.2. 確定…的范圍;下定義 To determine the limits of; define【SYN】limt,confie

vt.3. 在...周圍畫線; 圍繞 to draw a line around something;encircle【SYN】belt circle encircle encompass engird environ gird girdle surround

vt.4. 使外接于…；使外切 to draw a geometric figure around another figure so that the two are in contact but do not intersect e.g. circumscribed circle 外接圓, 外切圓

【例句與詳解:】

A man should not circumscribe his activity by any inflexible fence of rigid rules.
人不應該將自己的行為限制在由僵化的條文構成的不可變通的范圍之內。

Their life was extremely circumscribed, with long hours of study and few of play.
由于長時間的學習和很少玩耍，他們的生活范圍太局限了。

The square is circumscribed by the circle.
那廣場被圍成圓圈。