circum
circum — 字首
1. a prefix borrowed from Latin meaning 'around' or 'about', used to form English w
周圍；環繞
來自拉丁文的前綴，表示「圍繞」
a prefix borrowed from Latin meaning 'around' or 'about', used to form English words that describe something going in a circle, surrounding something, or being cautious by looking all around.
Tariq measured the circumference of the tree trunk with a long piece of string.
Tariq 用一條長繩子測量了樹幹的周長。
circumference = distance around a circle
Sumin read about the first pilot to circumnavigate the globe in a hot-air balloon.
Sumin 讀到第一位駕駛熱氣球環繞地球的飛行員的故事。
circumnavigate = travel all the way around
The principal decided to circumscribe the students' outdoor time during the heavy rain season.
校長決定在雨季限制學生們的戶外活動時間。
Nkechi was circumspect before investing in the new company, so she asked many questions first.
Nkechi 在投資那家新公司之前非常謹慎，問了許多問題。
- around
the English preposition, used independently
- about
more formal or literary alternative to 'around'
- surrounding
focuses on the idea of enclosing
文法句型
circum- + noun/adjective/verb
用法筆記
This prefix appears in formal and academic English. Words formed with 'circum-' are often related to geometry (circumference, circumcircle), navigation (circumnavigate), law (circumstantial), and behaviour (circumspect, circumscribe). It is not a productive prefix in modern English — you cannot freely attach it to any word.