Tricycles gradually replaced carriages.

三轮脚踏车逐渐替代了马车。

I bought a tricycle for my son as a gift.

我给我的儿子买了一辆三轮车作为礼物。

The children are tricycling in the park.

孩子们在公园里骑三轮车。

Show me how you ride the tricycle.

让我看看你怎么骑三轮脚踏车

He shrugged his shoulders and began to heave bags from his tricycle on to the scales.

他耸耸肩，开始把袋子从他的三轮车搬到秤上去。

Nicolas Kent, the artistic director of the Tricycle Theatre in London, felt the public had stopped caring about Afghanistan.

伦敦三轮车剧院的艺术总监尼古拉斯·肯特发觉公众已经不再对阿富汗关注。

I did not take it to heart when I first saw you two sitting on a tricycle heading for town, but soon I sensed something wrong there.

当我看到你们双双坐三轮车驶向市区的时候，先时不以为意，但不久，我慢慢地感觉到些端倪。

My tricycle stood by the front steps of our house.

我的三轮车停在我们家门口的台阶旁。

Me and my little tricycle.

我和我的小三轮车。