sing hum
唱的嗡嗡声
以上为机器翻译结果，长、整句建议使用 人工翻译 。
youdao
Sing or hum any song that uplifts or inspires you.
唱出或哼出任何能够让你振奋或鼓舞的歌曲。
Find one which suits your bad self and don't be afraid to hum it or sing it to yourself from time to time.
去找到一首适合你坏的一半的一首歌，不要害怕哼唱或时时对自己唱。
He just loved babies, and would rock Troy's children and sing, and hum the part where the bough breaks, and the baby falls.
NPR: Excerpt: 'The Prince of Frogtown'
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