单词	冰冻深度
释义	冰冻深度frost line
随便看	planck 常数 plancterus garman plancterus garman，1895 plancterus kansae plancterus kansae (garman plancterus kansae (garman--1895) plancterus kansae (garman，1895) planctomyces plancton planctonic planctophaeroidea planctosphaeroidea planctus karoli plan-do-check-act plan-do-check-action plan-do-check-act (pdca) plan, do, study, ameliorate plan, do, study, ameliorate (pdsa) plane plane absorber plane affine transformation plane algebraic curve plane analytical geometry plane angle plane angle of dihedral angle