envelope

/'envәlәup/

柯林斯 ★★

牛津 3000 核心词

当代词频 #3,879

高考词汇四级词汇六级词汇考研词汇

中文释义

n. 信封, 封套, 封袋
[医] 膜, 包袋

英文释义

n. a flat (usually rectangular) container for a letter, thin package, etc.
n. any wrapper or covering
n. a curve that is tangent to each of a family of curves
n. a natural covering (as by a fluid)

词形变化

复数: envelopes
第三人称单数: envelopes

相关单词

even every each eye end ever early enough education everything expect experience

释义数据来源：ECDICT（skywind3000），许可协议 MIT。