Breechloader
n. 后膛槍, 后膛炮
??? 情景例句
It just takes time to feel comfortable in a new place.
總是需要一段時間才能適應一個新的環(huán)境。
Nothing is impossible to a willing mind.
世上無難事，只怕有心人。
How long has this factory been open?
這家工廠建成有多久了？