Supernumerary
01
临时演员, 群众演员
an actor with a small, often background role that adds depth or realism to a scene
例子
She took on a supernumerary role, providing visual interest without speaking any lines.
她扮演了一个群众演员的角色，在不说话的情况下提供了视觉上的兴趣。
02
多余人员, 无用之人
a person serving no apparent function
