英语词汇opening perforation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	opening perforation
释义	an opening— 口子 perforation n — 打孔 n • 齿孔 n • 孔口 n open v — 开 v • 通 v • 解 v • 拆 v • 启 v • 开展 v • 开幕 v • 阐 v • 揭开 v • 开办 v open adj — 坦率 adj • 直白 adj open n — 开场 n • 正面 n open — 捭 perforation — 穿孔 perforate — 穿 • 穿孔
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英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

an opening—