Cǎichāo néng kàndào xuèyè liúdòng de qíngkuàng, bǐ pǔtōng de B chāo kàn de gèng qīngchu.
A colour ultrasound shows how the blood is flowing and gives a clearer picture than an ordinary ultrasound.
Tips
usage
彩 'colour' plus 超, short for 超声波 'ultrasound': the scan shows the blood flow in colour on the screen. The plain greyscale scan is a B超, and a 3D or 4D pregnancy scan is a 四维彩超.