The back of the bench should be fixed at an angle of about 30 degrees.Take one weight into each hand and lift them up to the clavicle level.是什么意思_The back of the bench should be fixed at an angle of about 30 degrees.Take one weight into each hand and lift them up to the clavicle level.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句