moped

['məu.ped]

n. 机动自行车
动词mope的过去式和过去分词形式

例句与用法：

Stop moping!

别那麽垂头丧气的！

He's been moping around (the house) all day.

他整天都在(房子)周围瞎转悠。

详细释义：

n.

助动车; 机器脚踏车