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129-130Seven miles an hour129-130Seven miles an hourStrike the iron while it is hot.Strike the iron while it is hot.趁热打铁。趁热打铁。趁热打铁。趁热打铁。4.Speed Put on speed=speed up 加速加速At the /a speed of thirty miles an hour以每小时三十英里的速度以每小时三十英里的速度At full/top speed=with all speed全速全速That is why he is lateThat is because he is ill
