This year, researchers finally uncovered the mysterious roots of so-called brown fat. Hardly blubber, the energy-using tissue turns out to be one step away from muscle.是什么意思_This year, researchers finally uncovered the mysterious roots of so-called brown fat. Hardly blubber, the energy-using tissue turns out to be one step away from muscle.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句