
好词典

源自拉丁语 'perforare'(per- '穿过' + forare '钻孔'),16世纪进入英语。
❶ 在材料上打孔或穿洞,通常指有规律地排列小孔以便于撕开或透气。常见于邮票、纸张或医疗手术中。
“The machine is perforating the paper to make it easier to tear.”
(机器正在给纸张打孔以便更容易撕开。)
“She used a perforating tool to create holes in the leather.”
(她用打孔工具在皮革上打孔。)
perforating vein — 解剖学术语,指连接浅表静脉和深静脉的血管,负责血液回流。
“The doctor examined the patient's perforating veins for signs of blockage.”
(医生检查了患者的穿通静脉是否有堵塞迹象。)