单词	ask a boon of sb
释义	ask a boon of sb 请求某人
随便看	THREE-ELEMENT COPPER PLUMBUM FLANGE BEARING Three-element factors three-element feedwater control system three element filter three-element filter three-element framework Three-element group three-element phase diagram three-element regulator three elements three-elements three elements chemical plating three elements complex fertilizer three elements design three element servo system three-element servo system three elements feed water regulator three elements of a couple three elements of a language three elements of color three elements of earth-quake three elements of force three elements of poetry three elements of projection three elements of proof