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
of forty-three years of on-the-job training.
关于我四十三年的工作经历。
He cut his finger because he was careless.
他不小心割破了手指头。
It is nine o'clock.Mr.Sawyer usually reads his newspaper at night.But he's not reading his newspaper tonight.
现在是9点钟。索耶先生通常是在晚上看报，但今天晚上他没看报。