Stable isotope ratios in tree-ring cellulose have been shown to be reliable recorders of changes in the ambient climate ......

周总理,在这里向祖国致敬rn我多次到过祖国的边陲小城畹町.每次到畹町,我都要首先来到畹町桥头,仰望飘扬在祖国边境蓝天下的五星国......

我特别倾心于花和树。我凝神于蔷薇夺人的艳丽,迷醉于彼岸花花叶千年相错的神秘与感伤,更时常沉浸在菩提树年轮镌刻的宁静里,流连......