foci
/'fәusai/
这个词还没有发音音频。目前只为考研核心词库生成了 4,801 条。
这个词不在考试词库里，数据来自 316 万条的兜底词典，所以没有词频和词书排名。
释义
- pl焦点, 焦距, 对焦点, 聚焦, 活动中心, 集中点, 兴趣中心, 病灶, 震源, 疫源地
英文释义
n the concentration of attention or energy on something
n maximum clarity or distinctness of an image rendered by an optical system
n maximum clarity or distinctness of an idea
n a central point or locus of an infection in an organism
n special emphasis attached to something
n a point of convergence of light (or other radiation) or a point from which it diverges
n a fixed reference point on the concave side of a conic section
词频与标注
词形变化