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
We have talked of you ofter.
我们经常谈到你。
He yanked out my ladder.
他使劲地拉了我的梯子。
He was very healthy and happy, but he could not look after himself.
他很健康，非常欢快。但不能照料自己。