cistern
US /ˈsɪs.tɚn/
UK /ˈsɪs.tɚn/

1.
2.
抽水马桶水箱, 水箱
a tank holding water for flushing a toilet
:
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The plumber had to fix the leaky cistern in the bathroom.
水管工不得不修理浴室里漏水的抽水马桶水箱。
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You can hear the water refilling the cistern after flushing.
冲水后,你可以听到水重新注满抽水马桶水箱的声音。