📚 WordMate 词典
在线英语词典
基于ECDICT词库,包含77万+单词
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expansion
ik'spænʃәn
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CET4
CET6
高考
IELTS
考研
TOEFL
释义
n. 扩充, 开展, 膨胀
[计] 扩展
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
复数:
expansions
BNC词频排名:
2,360
|
当代语料库词频排名:
2,734