overheard
词形变化：
名词: overhearer | 动词过去式: overheard | 动词过去分词: overheard | 动词现在分词: overhearing | 动词第三人称单数: overhears |
overheard
词形变化：
名词: overhearer | 动词过去式: overheard | 动词过去分词: overheard | 动词现在分词: overhearing | 动词第三人称单数: overhears |