| 单词 | ballcock |
| 释义 | ballcock ballcock /ˈbɔːl.kɒk/ aep /ˈbɑːl.kɑːk/ noun [C] ► F0 a device in a water tank that controls the level of water, consisting of a floating ball fixed to a rodThesaurus+: ↑Plumbing and pipes and sewage |
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