sing的現在分詞是singing,n.是唱歌;歌唱v.是唱(歌);演唱;鳴;啼;啼囀;嗚嗚作響;發嗖嗖聲.
She's having singing lessons.
她在上聲樂課。
I awoke to the sound of birds singing.
我在鳥鳴聲中醒來。
Birds were already singing in the garden.
小鳥已經在花園裡歌唱了。