词汇	a operator
释义	a operator 甲台话务员
随便看	secondary street secondary stress secondary-stress secondary stress-baring area secondary stress bearing area secondary stress-bearing area secondary stress distribution secondary stresses secondary stress field secondary stress injury secondary stretching secondary stricture secondary strike Secondary Strike Capacity secondary strontium phosphate secondary structural secondary structural change secondary structural elements secondary structural plane secondary structure secondary-structure secondary structure of protein secondary structure potential secondary structure prediction secondary structure preparation