gravity well

　
英 美
  • 自流井

gravity well的用法和樣例：

例句

  1. Water from the artesian well in the village is flowing continuously into the wheatland.
    村中自流井里的水源源不斷地流向麥田。
  2. The pool, fed by an artesian well with a high iron content, was a pale shade of green.
    池水來(lái)源于鐵質(zhì)很高的自流井，水面呈現淡淡的綠色。
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