plugholes英式朗读美式朗读基本解释n. 插孔, (压载水柜)放水孔, 密封采空区的密封孔道( plughole的复数形式 )英文释义n. a hole into which a plug fits (especially a hole where water drains away)词形变化原形plughole上一个单词:plughole下一个单词:plugin