I was required to hold out my arms and flex my pectorals.我被要求伸展手臂，收紧胸肌。Take a comfortably wide stance and flex your knees a little.双腿适度分开站立，双膝稍稍弯曲。Side cutters are useful for cutting electrical flex to length.切边钳适用于剪切电线....
Take a comfortably wide stance and flex your knees a little...双腿适度分开站立，双膝稍稍弯曲。I was required to hold out my arms and flex my pectorals.我被要求伸展手臂，收紧胸肌。...a two-bar electric fire with a frayed flex.电线已经磨损的双片电热炉Take a comfor...