
perforated
词源
源自拉丁语 'perforatus'(过去分词),由 'per-'(通过)和 'forare'(钻孔)组成,16世纪进入英语。
adjective
❶ 指物体表面或边缘被打穿许多小孔,形成有规律的孔洞排列,常用于便于撕开或增加透气性。
“The paper is perforated for easy tearing.”
(这种纸带有穿孔,便于撕开。)
“She wore a perforated leather jacket for better ventilation.”
(她穿着带透气孔的皮夹克。)
❶ 医学上指器官或组织被异常穿孔的状态,通常由疾病或外伤导致。
“The X-ray showed a perforated eardrum.”
(X光显示鼓膜穿孔。)
“A perforated ulcer requires immediate surgery.”
(穿孔性溃疡需要立即手术。)
verb
❶ 用工具在材料上打出有规律的小孔,形成穿孔效果。
“The machine perforates 500 sheets per minute.”
(这台机器每分钟能打孔500张纸。)
“They perforated the metal with laser precision.”
(他们用激光精准地在金属上打孔。)
常见短语
perforated line — 指由连续小孔组成的虚线,常见于纸张或包装材料上,便于沿此线整齐撕开。
“Tear along the perforated line to open the package.”
(沿虚线撕开即可打开包装。)
perforated border — 带有装饰性穿孔的边缘设计,常见于邮票、优惠券等可撕扯物品。
“The coupons have perforated borders for easy detachment.”
(优惠券边缘有齿孔便于撕下。)