broaden

动词 v.
[ˈbɹɔː.dn̩]    [ˈbɹoː.dn̩]

英文释义

动词 v.
  1. To make broad or broader. transitive
    — broaden one’s knowledge
  2. To become broad or broader. intransitive
    — The roads gradually broadened as we drove into the countryside.

词形变化

broadens present,singular,third-person broadening participle,present broadened participle,past broadened past

词源

Etymology tree
Proto-Indo-European *bʰer-der.?
Proto-Germanic *braidaz
Proto-West Germanic *braid
Old English brād
Middle English brod
English broad
English -en
English broaden
From broad + -en (verbal suffix).
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