an·ti·knock 
(ăntĭ-nŏk′)
(ăntĭ-nŏk′)n.
A substance, such as tetraethyl lead, added to gasoline to reduce engine knock.
| 单词 | antiknock |
| 释义 | an·ti·knock (ăntĭ-nŏk′)n. A substance, such as tetraethyl lead, added to gasoline to reduce engine knock. |
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