Graham Steell murmur

例句：

1. 1. The oldman was murmuring to himself in hissleep.
   老人在睡梦中低声自语。
2. 2.She whispered a secret to her friend.
   她对朋友小声说了一个秘密。
3. 3. The windwas murmuring through the trees.
   风在树林中轻声吹过。