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
I give up, I don't know what you're talking about.
我投降了，我一直都听不懂你在说什么。
What's so funny?
什么事那么好笑？
I don't know, she says.
她说“我不知道”。