It is snowing in great flakes.

正在大雪纷飞。

It is snowing with feathery snowflakes.

天下起了羽毛般的雪片.

It is snowing quite heavily in London now.

伦敦正在下大雪。

Look! It is snowing, winter is here at last.

瞧，天下雪了，冬天终于来临了。

Chad:Wow! Look out the window. It is snowing.

哇！快看窗外，下雪了耶。

It is snowing in many parts of China these days.

这几天中国的很多地区在下雪。

As it is snowing, we shall not go to the park.

由于正在下雪，我们就不去公园了。

If it's snowing the mail will be late the mail will be late therefore it is snowing. Let's create the counter set of that.

如果下雪，送信就会晚，送信晚了,所以在下雪，我们来创造一个反例。

Next I like winter because it is snowing and I can go ice skating.

其次我喜爱冬天，是因为冬天会下雪，我可以去滑冰。

If it is snowing we will have been walking in the snow for more than two hours.

如果天一直在下雪，我们将在雪地里走了两个多小时了。