It's an ULTRASONIC microphone so we can hear the baby's heartbeat.
Meaning and definitions of ultrasonic, translation in Khmer language for ultrasonic with similar and opposite words. Also find spoken pronunciation of ultrasonic in Khmer and in English language.
What ultrasonic means in Khmer, ultrasonic meaning in Khmer, ultrasonic definition, examples and pronunciation of ultrasonic in Khmer language.