
好词典

源自希腊语 meta-(在...之后) + karpos(手腕),17世纪通过现代拉丁语 metacarpus 进入英语。
❶ 掌骨,指连接手腕和手指的五根长骨之一,构成手掌的主要骨骼结构。
“He fractured his third metacarpal while playing basketball.”
(他在打篮球时摔断了第三掌骨。)
“The X-ray showed a clear break in the metacarpal.”
(X光片显示掌骨有明显骨折。)
❶ 与掌骨相关的,描述位于手掌区域或涉及掌骨的结构特征。
“The metacarpal region was swollen after the injury.”
(受伤后掌骨区域出现肿胀。)
“She felt pain in the metacarpal joints when writing.”
(写字时她的掌骨关节感到疼痛。)
metacarpal bone — 特指构成手掌的五根长骨,常出现在解剖学或医学语境中。
“The metacarpal bones form the structural framework of the palm.”
(掌骨构成了手掌的结构框架。)
metacarpal fracture — 掌骨断裂的医学诊断术语,多由外力冲击或跌倒导致。
“A metacarpal fracture typically takes 6-8 weeks to heal.”
(掌骨骨折通常需要6-8周愈合。)