perforation
/.pә:fә'reiʃәn/
BNC频率: 25217
现代语料频率: 18752
中文翻译
n. 穿孔, 孔眼, 贯穿, 贯通
[化] 穿透
英文解释
n. a line of small holes for tearing at a particular place
n. a hole made in something
n. the act of punching a hole (especially a row of holes as for ease of separation)
词态变化
复数形式:perforations
相关词组
1
[计] 穿孔速率
2
n. 穿孔( perforation的复数形式 ); 贯穿; 针孔; 齿孔