fetus

['fi:təs]

n. 胎, 胎儿

例句与用法：

An unborn infant; a fetus.

胎儿没有出生的婴儿; 胎儿

The position of the fetus in the uterus at birth with respect to the mouth of the uterus.

产位，(胎儿)先露位置分娩时胎儿在子宫中相对于子宫口的位置

Diagnostic imaging in which ultrasound is used to visualize an internal body structure or a developing fetus.

超声波扫描术利用超声波来显示耳体结构或胚胎发育情况的诊断用的成像法

The medical study and treatment of the fetus, especially within the uterus.

胎儿学尤指对子宫内的胎儿的医学研究和治疗

词形变化：

动词过去式: fettled | 动词过去分词: fettled | 动词现在分词: fettling | 动词第三人称单数: fettles |

详细释义：

n.

胎; (三个月后的)胎儿