sing的名词形式是singing。singing的意思是唱（歌），演唱，鸣，啼，啼啭，呜呜作响，发嗖嗖声。singing的例句She was out of practice at singing（她对唱歌荒疏了）。
sing的例句I shall never forget hearing her singing that song（我永远也不会忘记听她唱那支歌时的情景）；He started his career in show business by playing the saxophone and singing（他的演艺生涯是从吹奏萨克斯和唱歌开始的）。
