单词	三年级生 {美}
释义	三年级生 {美}junior
随便看	internal upset forging internal urethral orifice internal use internal uterine orifice internal uterine orifice (or internal orifice of uterus) internal vacuum internal validity internal value internal valve internal variable internal variance internal verification internal vertex internal vibration internal vibrator internal virtual address internal [visceral] sac internal(visceral)sac internal viscosity internal visual inspection internal voltage internal volume internal wall internal water internal water circulation