These four strokes are intake stroke, compression stroke, power stroke and exhaust stroke.
这四招进气行程，紧缩行程，动力冲程和排气冲程。
High sodium intake can raise blood pressure and the risk of heart attack and stroke.
摄入大量的钠会提高血压和心脏病发作、中风的风险。
High sodium intake can raise blood pressure and the risk of heart attack and stroke.
摄入大量的钠会提高血压和心脏病发作、中风的风险。
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