单词	passive house
释义	passive houseˈpassive house noun [countable] a type of house that does not use much energy, because it does not let much heat out and gets heat from the sun
随便看	riotous riotously riot police RIP rip ripcord ripe ripen ripeness Ripken, Jr., Cal rip-off riposte Ripper ripple rip-roaring Rip van Winkle rise riser risibility risible rising rising damp risk risk averse riskiness

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