
pinion
词源
源自中古英语pignon,来自古法语pignon,最终源自拉丁语penna(羽毛)和pinnula(小羽毛)。机械意义的用法可能受到法语pignon(齿轮)的影响。
noun
❶ 指鸟类翅膀末端的小羽毛,特别是用于飞行的主要羽毛。
“The eagle's pinion feathers were damaged in the storm.”
(鹰的飞羽在风暴中受损了。)
“He carefully examined the pinion of the injured hawk.”
(他仔细检查了受伤鹰的飞羽。)
❶ 机械中的小齿轮,通常与较大的齿轮啮合以传递动力。
“The clock's mechanism includes a pinion that drives the hour hand.”
(钟表的机械装置包括一个驱动时针的小齿轮。)
“We need to replace the worn-out pinion in the gearbox.”
(我们需要更换变速箱里磨损的小齿轮。)
verb
❶ 剪掉鸟的飞羽使其不能飞行,常用于驯养鸟类。
“The falconer decided to pinion the young falcon for training purposes.”
(驯鹰人决定剪掉幼鹰的飞羽以便训练。)
“They pinioned the swan's wings to prevent it from flying away.”
(他们剪掉了天鹅的飞羽防止它飞走。)
❶ 束缚或限制某人的行动自由,常用于比喻。
“The strict rules pinioned his creativity.”
(严格的规则束缚了他的创造力。)
“She felt pinioned by societal expectations.”
(她感到被社会期望所束缚。)
常见短语
pinion and crown — 机械术语,指小齿轮(pinion)与冠状齿轮(crown)的啮合系统,常见于钟表和汽车差速器。
“The watchmaker repaired the pinion and crown mechanism of the antique clock.”
(钟表匠修理了古董钟的小齿轮和冠状齿轮机构。)