单词	border river
释义	border river 边界河,边境河流
随便看	Ultrasonic spread speed ultrasonics science ultrasonic standard ultrasonic standing wave ultrasonic sterilization ultrasonic sterilization machine ultrasonic stethoscoe ultrasonic stethoscope ultrasonic stirring ultrasonic storage ultrasonic storage cell ultrasonic strengthen Ultrasonic strengthening ultrasonic stress analyzer ultrasonic stress measurement ultrasonic stress measuring method ultrasonic stress meter ultrasonic stripping ultrasonic strobolux ultrasonic stroboscope ultrasonic study Ultrasonic Study of Experimental Clonorchiasis ultrasonic supply Ultrasonic supragingival scaling ultrasonic surface wave