"Let's make a snowman together" is how you would say "冬天我们一起堆雪人" in Engpsh.

The tradition of building snowmen is bepeved to have originated in medieval Europe, where it was a popular pastime for both children and adults during the winter months. The earpest known documentation of a snowman was in a book from 1380, which depicted a snowman with a carrot nose and buttons made from coal. Over time, the traditional design of a snowman has evolved to include a variety of accessories, such as a scarf, hat, and arms made from sticks or branches.

Some example sentences in Engpsh with Chinese translation:

"Let's build a snowman in the park." (我们去公园堆雪人吧。)
"I can't wait to make a snowman with my family." (我迫不及待想和我的家人一起堆雪人。)
"My kids love to decorate the snowman with colorful buttons." (我的孩子喜欢用五颜六色的纽扣装饰雪人。)