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 first settlers in America.
他们是第一批来美国定居的移民。
I will try.
我会试试看。
The captain knew that another attempt would be made later, for the sunken ship he was trying to find had been carrying a precious cargo of gold bullion.
船长知道日后还会再作尝试，因为他试图寻找的沉船上载有一批珍贵的金条。