
好词典

源自希腊语 'hēmi-'(半)和 'sphaira'(球体),通过拉丁语 'hemisphaerium' 演变而来,后缀 '-ical' 表示形容词形式。
❶ 形容物体形状像半个球体,即半球形的。常用于描述建筑、容器或自然物体的外形特征。
“The planetarium has a large hemispherical dome for projecting stars.”
(天文馆有一个巨大的半球形穹顶,用于投影星空。)
“She served the dessert in small hemispherical bowls.”
(她用半球形的小碗盛放甜点。)
hemispherical head — 指内燃机中燃烧室的半球形顶部设计,这种形状有助于提高燃烧效率。
“The engine's performance was improved by using hemispherical heads.”
(通过使用半球形燃烧室,发动机的性能得到了提升。)