Massasauges aren't very large, growing up to 3 feet in length.

侏响尾蛇个体不大，能长到3英尺长。

There is a large, growing literature on how to decode economic signals from social-media sites, ranging from Facebook to Reddit.

关于如何破译Facebook和Reddit等社交媒体网站的经济信号的文献有很多，而且数量还在不断增加。

Two of the largest, growing at the head of Hope Valley, measured twenty-nine feet three inches and twenty-five feet six inches in circumference, respectively, four feet from the ground.

其中最大的两个生长在希望谷的顶端，周长分别为二十九英尺三英寸和二十五英尺六英寸，离地面四英尺。