单词	percussion cap
释义	percussion cap noun : cap sense 5 Example Sentences Recent Examples on the Web Oxygen generators use a chemical reaction initiated by a percussion cap. John Cox, USA TODAY, 4 Dec. 2020 Word History First Known Use 1823, in the meaning defined above
随便看	coccinellidaes coccineous coccinic acid coccinite coccis cocco- coccobacilliform coccoid coccoidder coccoiddest Coccoidea coccoideae coccoideas coccoider coccoidest coccoids coccolite coccolites coccolith coccolithic coccolithophore coccolithophorid Coccolithophoridae coccoliths Coccoloba

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