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
The plane's been delayed 10 minutes.
飞机晚点了十分钟。
I bought 3 pounds of flour.
我买了三磅面粉。
When he received a very rude reply from one of the workmen.
其中一个工人粗鲁地回了几句。