Another vignette indelibly imprinted in my memory bank: While walking along a trail, I came upon a flock of small birds that seemed to be mobbing something;had they noticed an owl or a snake?

• 我还记得有次漫步在林间小路上时，看到了一群受到攻击而惊吓的小鸟，到底是猫头鹰还是蛇在攻击牠们呢？