单词	a letter of endorsement
释义	a letter of endorsement 认可证书
随便看	single atrial premature beat single atrial stimulation single atrium single-attached single-attached concentrator single-attached connection Single Attached Station single-attached station Single Attachment Concentrator single attachment connection single attachment port single attachment station single attack Single Attack Integrated System Single Attack Option single attract single attribute single attribute assessment single attribute method single attribute multiple value query structure single-attribute search single attribute transformation single auction price Single Audio System single auger