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、 moon 分鐘 活著的 小時 在 … 周圍 人 漂浮,浮動 更(多) 黎明,拂曉 日落 睡覺 第三課( 2) (7) 、 minute 、 living 、 hour 、 around 、 person 、 float 、 more 、 sunrise 、 sunset 、 sleep Is the Earth heavier than the moon? Yes, it’s much heavier. The Earth is one of the hottest plas. 第四課 (8) longest bridge in the city much longer than the other bridges (1) This is the longest bridge in the city. It is much longer than the other bridges. bus to the airport much bigger than the other buses (2) This is the bus to the airport. It is much bigger t