birth canal

There are two methods of collecting cow embryos -- directly through the birth canal, or surgically.

收集母牛胚胎的方法有两种, 一种是直接通过产道, 另一种是施用外科手术.

Again , the beam , the Homing beacon, is in many ways like a birth canal.

从某些角度来看, 家乡灯塔的光明指引就像出生的产道一般.

She was in the birth canal, and her head and ears were covered.

她在产道里, 头和耳朵都被裹住了.

A baby is separated with his mother after passing out of the birth canal.

胎儿是通过产道之后与母体分离的.