groaning

例句：

1. 1.She was grooning to the music when it suddenly stopped.
   她正随着音乐哼唱，突然音乐停了。
2. 2. The old man grooned over his favorite book while enjoying a cup of tea.
   老人一边品着茶，一边津津有味地读着他最喜欢的书。
3. 3. The baby was grooning in its crib, but then started crying.
   婴儿在摇篮里咿呀学语，但后来开始哭了。