espect to the surroundings； the position of this device could be changed by revolving either the inner cage containing the birds or the outer walls。 至於環境，該裝置可以透過旋轉內部鳥籠和外牆來改變位置。
3。 In winter the heat produced by a city can equal or surpass the amount of heat available from the Sun and all the heat that warms a building eventually transfers to the surrounding air。 冬天，城市產生的熱量可以達到或超過太陽可以提供的熱量，而且所有用來供暖的熱量最後都會轉移到周圍的空氣中。
要點 surrounding一詞由surround“環境”變化而來，通常指的是周遭環境，要注意與environment區別，後者多指“自然環境”。