retainvt.保持;保留;记住;聘请
retained allele存留等位基因
retained testis隐睾
retaining width留宽
retained saving保留储蓄
retaining rivet固定铆钉
retaining walls挡土墙
retained energy剩余能量
retaining piece制动片
retaining plate固定板,支承板
retained objectn.[语]保留宾语(指保留在被动语态句子中的宾语)