pet·cock 
(pĕtkŏk′)
(pĕtkŏk′)n.
A small valve or faucet used to drain or reduce pressure, as from a boiler.
[Perhaps PET1 + COCK1.]
| 单词 | petcock |
| 释义 | pet·cock (pĕtkŏk′)n. A small valve or faucet used to drain or reduce pressure, as from a boiler. [Perhaps PET1 + COCK1.] |
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