If it rains, we can't go picnicking in the woods.

如果下雨的话，我们就不能去树林野餐了。

He has too much work on hand to go picnicking with us.

他手头的工作太多不能跟我们去野餐。

Whether we will go picnicking tomorrow depends on the weather.

明天我们是否去野餐取决于天气好坏。

In the summer we canoe on the river, go picnicking in the woods and take long bicycle rides.

夏日里我们在河上荡舟，在林子里野餐，骑着自行车长时间漫游。