circuit

詳細解釋：

cir.cuit

n.Abbr. cir,circ.（名詞）縮寫 cir,circ.

A closed, usually circular line that goes around an object or area.
環形線，周線：通常為圍繞一個物體或區域的圓形封閉線
The region enclosed by such a line.See Synonyms at circumference
圓圈：由這樣的線包圍的區域參見 circumference

A path or route the complete traversal of which without local change of direction requires returning to the starting point.
迂迴路線：一條通路或路線，不改變行進方向而完成全程回到起點
The act of following such a path or route.
環行，巡迴：沿這種路逕行進的行為
A journey made on such a path or route.
環遊，週遊：沿這種路徑的旅行
Electronics
【電子學】
A closed path followed or capable of being followed by an electric current.
電路：一個通過電流或可通過電流的封閉路徑
A configuration of electrically or electromagnetically connected components or devices.
線路連線結構：電子或電磁連線的元件或設備形成的一種結構

A regular or accustomed course from place to place; a round:
到各地間的固定的或習慣性路線；巡迴：
例句：
a salesperson on the Detroit-Minneapolis-Chicago circuit; a popular speaker on the lecture circuit.
在底特律一明尼阿波利斯一芝加哥三地遊走的推銷商；巡迴講演的著名演說家

The area or district thus covered, especially a territory under the jurisdiction of a judge in which periodic court sessions are held.
法庭巡迴區：劃定的地區或區域，特指在由法官裁決的周期性開庭的地區

An association of theaters in which plays, acts, or films move from theater to theater for presentation.
巡迴演出會，協會：一種劇院的聯合組織，戲劇、活動或電影在各劇院間輪迴上演
A group of nightclubs, show halls, or resorts at which entertainers appear in turn.
一系列的夜總會、展示廳和度假地，演員在各地方輪迴表演
An association of teams, clubs, or arenas of competition:
聯盟，協會：運動隊、俱樂部或比賽場地之間的聯合組織：
例句：
the downhill ski circuit.
下坡滑雪協會

v.intr.tr.（不及物動詞和及物動詞）
cir.cuit.ed,cir.cuit.ing,cir.cuits
To make a circuit or circuit of.
巡迴，週遊：繞…環行或使…環行

來源：
Middle English [circumference]
中古英文 [圓周]
from Old French
源自 古法文
from Latin circuitus [a going around] [from past participle of] circumore [to go around]
源自 拉丁語 circuitus [一圈] [] 源自circumore的過去分詞 [繞行]
circum- [circum-]
circum- [環繞]
ore [to go] * see ei-
ore [走] *參見 ei-