词汇	periodical change
释义	periodical change 周期性变化
随便看	sodium refilling system sodium removing resins Sodium renal clearance sodium resinate sodium resistant glass sodium-responsible sodium responsible glass electrode sodium-responsible glass electrode Sodium responsive periodic paralysis Sodium-responsive periodic paralysis Sodium restricted diet sodium salicylate and urotropine sodium salicylate elixir sodium-restricted diet Sodium-Restricted Diets sodium restriction sodium restriction test sodium retention sodium retention syndrome sodium rhenate sodium rhenite sodium rho-aminohippurate sodium rho-aminophenylarsonate sodium rho-aminosalicylate sodium rhodanate