obstetric canal

• 产道

obstetric canal的用法和样例：

例句

1. One specimen is even preserved in the birth canal.
   一个样本甚至在产道中被保存了下来。
2. Turn the little oval skull face-forward, and it drops neatly into the pelvic brim, the beginning of the birth canal.
   把这个小小的椭圆形头颅脸朝前，便能巧妙地滑入骨盆缘，那里即是产道开始的地方。