Tom mimicked his fat uncle riding a bicycle.是什么意思？

Tom mimicked his fat uncle riding a bicycle.

汤姆学他胖叔叔骑自行车的样子.

Tom

n. 雄动物，雄猫；

例句
She heard Tom exchanging good-natured banter with Jane.
她听见汤姆和简互相打趣。

mimicked

v. （尤指为了逗乐而）模仿( mimic的过去式和过去分词 )，酷

例句
He mimicked her upper-class accent.
他模仿她那上流社会的腔调。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

fat

adj. 肥的，胖的，厚的，大量的；n. 脂肪，肥肉，动植物油；vt. 养肥，在…中加入脂肪；vi. 长肥；

例句
It's made from natural ingredients, but with the added bonus of containing 30 per cent less fat than ordinary cheese.
该干酪用天然原料制成，而且其脂肪含量比普通干酪低30%。

uncle

n. 叔叔，伯父，舅父，姑父，姨父；

例句
His uncle is dead, but his auntie still lives here.
他伯父已经过世，可他伯母还在这儿生活。

riding

n. 骑马，乘车，自找麻烦，自讨苦吃，区；v. 骑，驾驶( ride的现在分词)，乘坐；

例句
...a group of youths riding their motorbikes four abreast.
驾着摩托车，四个一排齐头并进的一群年轻人

bicycle

n. 自行车，脚踏车；v. 骑自行车；

例句
Pete once bought the boys a bicycle cheap off the back of a lorry.
皮特有一回给孩子们买了一辆便宜的老鼠货自行车。