Smoothbore
n. 无膛线枪, 无膛线炮
🗣️ 情景例句
No, no. I turned it down because of me.
不 ，不。我因为我自己而拒绝了它。
We can't wait any longer.
我们不能再等了。
What happened before printing was invented?
印刷术发明以前是怎么一回事？