Cannonproof
a. 防弹的
🗣️ 情景例句
so that we don't have to worry about any structural problems.
我们就可以不用担心任何结构上的问题。
No man can be a good ruler unless he has first been ruled.
没受过他人的统治，就不能很好地统治他人。
Nice meeting you. Bye-bye.
见到你（也）很高兴。再见。