释义 adj.留住的；定位的；使固定的v.保留（retain 的 ing 形式） 实用短语retaining wall护土墙,retaining snap ringretaining its position稳居retaining ring弹簧卡环,retaining structure挡土构筑物,挡水构筑物,挡土结构earth-retaining wall挡土墙,护土墙retaining plate顶出固定板,固定板,顶板固定板,支撑板retaining agreement聘用律师合同,律师合同retaining screw固定螺丝,固位螺丝,塞头螺钉,翻译 常用短语retaining wall固定螺丝,固位螺丝,塞头螺钉,翻译water retaining固定螺丝,固位螺丝,塞头螺钉,翻译retaining ring固定螺丝,固位螺丝,塞头螺钉,翻译gravity retaining wall固定螺丝,固位螺丝,塞头螺钉,翻译heat retaining固定螺丝,固位螺丝,塞头螺钉,翻译