broaden'brɒ:dn英式朗读美式朗读基本解释vi. 变宽, 扩大 vt. 放宽, 使扩大英文释义v. make broader v. become broader词形变化过去分词broadened现在分词broadening第三人称单数broadens过去式broadened上一个单词:broaddus下一个单词:broaden out