expansions iksˈpænʃənz
释义
n. 扩大( expansion的复数形式 ); 扩张; 扩张物; 膨胀物
英文释义
n. the act of increasing (something) in size or volume or quantity or scope
n. a function expressed as a sum or product of terms
n. a discussion that provides additional information
词形变化
原型: expansion 原型变体: s
BNC词频排名: 0 | 当代语料库词频排名: 0