arc
noun [ C ] uk/ɑːk/ us/ɑːrk/
(CURVE)
弧;弧状;弧线;弧形
the shape of part of a circle, or other curved line
The ball rose in a high arc and fell behind the boundary line. 球在空中高高地划了一条弧线落在边线外。
(ELECTRICITY)
电弧，弧光
a powerful flow of electricity that goes across a space between two points
(STORY)
（电影、书籍或电视剧的）故事情节，支线故事
a complete story or the story of one character, especially one that is part of a larger story in a film, book, or television series
Even the minor characters in these films come with their own story arcs. 即使是这些电影中的小角色也有自己的故事情节。
Films about teachers working with troubled kids tend to follow a predictable arc involving conflict and resolution. 关于教师与问题儿童的电影往往遵循这种预料之中的故事情节——发生冲突和解决冲突。
arc
verb uk/ɑːk/ us/ɑːrk/
(CURVE)
[ I ]循弧线行进;做弧形运动
to move in the shape of an arc
The rocket arced gracefully into the sky. 火箭升空，在空中划出一条优美的弧线。
(ELECTRICITY)
[ I usually + adv/prep ]形成电弧
to make an electric arc