"breech" in Chinese (Traditional)
臀位（分娩姿勢）- 槍膛後膛
Definition
“Breech” 指物體的後部，特別是槍支的後膛，也可以指分娩時胎兒臀部先出的位置。
Usage Notes (Chinese (Traditional))
“Breech” 是正式/技術用語，多見於醫學（臀位分娩）及武器（槍後膛）領域。不要和“breach”（突破、缺口）混淆。
Examples
The doctor said it is a breech birth.
醫生說這是**臀位**分娩。
He opened the breech of the rifle to check it.
他打開步槍的**後膛**檢查。
The baby was in breech position before delivery.
嬰兒在分娩前是**臀位**。
The nurse explained the risks of having a breech baby.
護士解釋了**臀位**嬰兒的風險。
Make sure the breech is closed before firing the gun.
射擊前請確保**後膛**已關閉。
They discovered a problem with the breech of the old cannon.
他們發現老加農炮的**後膛**有問題。