Xb
abbr. crossbar 纵横开关; 交叉棒; 闩; exploding bridgewire 爆炸桥丝点火器（代号）
🗣️ 情景例句
He's still not used to life in the city.
他仍然没有适应城市生活。
I'm sorry, sir. I didn't mean it.
对不起，老兄，我并没有恶意。
The last creature to compete with man was the mosquito.
能与人竞争的生物最后只有蚊子了，