underbrushKK [ˋʌndɚˏbrʌʃ] /ˈʌndɚˌbɹʌʃ/發音名詞1灌木叢、下層植被、矮樹叢美式We hacked through thick underbrush to reach the river.我們砍開濃密的灌木叢才走到河邊。