词汇	fixed retainer
释义	fixed retainer 固定保持器
随便看	first core loading first-core uranium inventory First Corinthians Multimedia Bible Study First Corps Special Troops first correction of proofs first cosine formula first cosmic velocity first cost First costal cartilage first cost method first costs first-cost technology First Council of Constantinople first council of constantinoples First Council of Lyons first council of lyonss First Council of Nicaea first council of nicaeas first count first countability first countability axiom first-countable space first countable topological space first couple first course