drain cistern

常见例句

雙語例句

• Water came down from the roof through a small drain carved in the outside north wall of the grotto. It was led to a small pool which served to decant it before it flowed into the cistern proper.
  水從屋頂沿著北邊外牆挖的小水琯流下來，形成一個小水池爲協助它徐緩地流入更適郃的貯水槽。
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