nodding例句

The three of us stood around the machine nodding wisely.
我们三人站在机器周围,若有所悟地点着头。

He was nodding off to sleep in an armchair.
他坐在扶手椅上打盹,睡着了。

"Does it work?" he asked, nodding at the piano.
“它能用吗?”他边问边朝钢琴方向扬了下头。