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
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
Who is the greatest novelist of our times?
谁是当代最伟大的小说家？
After speaking for about half an hour he came to a sad part of the family history.
大约谈了半个小时之后，他谈到了家族史中的一件伤心事。