envelope
/'envәlәup/
高考四级六级考研牛津三千
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)
词频与标注
词性分布
- n 名词100%
来自 BNC 语料库统计，百分比是该词以这种词性出现的比例
词形变化
收录于