chorionic sac
英
美
绒毛膜囊
双语例句
- AIM: "Biochemical pregnancy" is to point that β-human chorionic gonadotrophin in blood or urine is positive, but terminates without visualization of a gestational sac through ultrasonographic check.
目的：“生化妊娠”是指血或尿中绒毛膜促性腺激素检查阳性，而经超声检查未见孕囊妊娠就终止者。