Your head should be up, your back straight, and shoulders level.
你的头应该抬起来，你的背部笔直，肩膀水平。
But he also suggests that most of these revenues should be handed straight back to America's poorer workers, in the form of tax breaks.
但同时他建议大部分由此而得的财政收入应该以减税的形式直接拨给美国更为贫穷的工人。
Your body should be straight up in the water; don't lean forward much or hunch over. Keep your shoulders back and look straight ahead.
你的身体在水中应该保持正直，挺胸、目视前方，不要过度前倾或伛偻。
While sitting or standing, the back should be straight, but not tense or tight.
当作者或站着的时候，背要挺直，但是不要紧张和拘谨。
Your walk should be easy and graceful, stand with your back tall and straight.
走路的步伐要轻松自在；站立的姿势要端正挺直。
Also, your wrists should be kept straight and never bent back.
此外，手腕也必须打直，避免向后折。
Keep your posture straight and erect. Your head should be up, your back straight, and shoulders level.
保持您的姿势挺而直，抬起头，挺直腰，双肩水平。
The back should be straight to the loin, medium in length, very muscular and neither long nor short-coupled.
后背从(马肩隆到腰)直，中等长度，连接既不太长、也不太短。
The back should be straight to the loin, medium in length, very muscular and neither long nor short-coupled.
后背从(马肩隆到腰)直，中等长度，连接既不太长、也不太短。
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