Rifling
n. 加工膛线, 膛线, 洗劫
📖 牛津释义
rifling
n[U]
these grooves 来复线; 膛线.
🗣️ 情景例句
What now?
下一步呢？
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
The weeks passed and the grass grew.
几个星期过去了，草长了起来。