名詞 fetus:

1. an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal
   同義詞：foetus

1. An unborn infant; a fetus.
   胎兒沒有出生的嬰兒; 胎兒
2. The position of the fetus in the uterus at birth with respect to the mouth of the uterus.
   產位，(胎兒)先露位置分娩時胎兒在子宮中相對于子宮口的位置
3. Diagnostic imaging in which ultrasound is used to visualize an internal body structure or a developing fetus.
   超聲波掃描術利用超聲波來顯示耳體結構或胚胎發(fā)育情況的診斷用的成像法
4. The medical study and treatment of the fetus, especially within the uterus.
   胎兒學尤指對子宮內的胎兒的醫(yī)學研究和治療

fetus 也作 foe.tus

n.（名詞）
【復數(shù)】 fe.tus.es
The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal.
胎：基本結構與成年動物相似的胎生脊椎動物未出生的幼子
In human beings, the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo.
胎兒：人類從開始懷孕的第八個星期到出生這一期間的有別于更早期的胚胎的幼兒

來源：
Middle English
中古英語
from Latin * see dhô(i)-
源自 拉丁語 *參見 dhô(i)-