单词	ammonium perchlorate
释义	ammonium perchlorate noun : a crystalline salt NH4ClO4 used chiefly as an oxidizer in explosives, in fireworks, and solid propellant systems for rockets Word History First Known Use 1872, in the meaning defined above
随便看	prezes prezoea prezoeae prezoeal prezonal prezone prezzies prf pri pri- pri-chinch pria per priacanthi priacanthid Priacanthidae priacanthidaes Priacanthus priacanthuses priacanthusses prial prials Priam priams priapean priapi

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