郊游

去野餐

wave mechanics───[物]波动力学

have in───贮存

have issues───有问题（haveissue的复数形式）

have kittens───心烦意乱

have pity───可怜可怜

have pity on───怜悯，同情

haversines───n.[数]半正矢

The mornings were cool and then the days warmed up, not too warm for cycling, but warm enough to have picnics.───早晨凉爽，白天开始变热，对骑车来讲不算太热，但吃野餐则有些热了。

We can have picnics.───我们可以野餐。

People from many areas of the world have picnics.───世界上许多地区的人举行野餐。

Have picnics with your family and think of creative games or activities that you can do as a family.───和家人去郊外野餐，动脑筋思想富有创造性，适合于一家人共同玩乐的游戏或活动。

but it's just junk. We used to have picnics in its head.───但它只是垃圾而已我们曾在它头上野餐

My family and I enjoy taking day trips to the oceanfront where we play frisbee and volleyball, and have picnics together.───我和家人喜欢白天到海滨，在那儿玩飞碟，打排球，一起野餐。

Families come too, to have picnics or have fun together in other ways.───也有全家来玩的，野餐，或以其他方式一起取乐。

Besides, in the spring, we can have picnics in the park, enjoy bike rides in the wind, climb mountains, plant trees, fly kites.───而且，在春天，我们可以到公园里野餐，在风中骑单车，可以爬山、植树、放风筝。

My family and I enjoy taking day trips to the oceanfront where we play frisbee and volleyball, and have picnics together.