High overhead was the clean blue sky of the new summer, and in the thickness of the shiny green leaves of the trees hopped and twittered the busy sparrows.

• 初夏清澄的蓝天下，麻雀在绿叶浓密的树上忙碌，不时在闪亮的绿叶间吱吱喳喳地跳跃。