Cathetron
[电]外控式三极汞气整流管
🗣️ 情景例句
He knows everything about the production schedule,
他知道生产进度的一切情况，
This is my third year of college, I'm a junior.
这是我上大学的第三年，我是三年级学生。
Mrs.Anne Sterling did not think of the risk she was taking when she ran through a forest after two men.
安。斯特林夫人在穿过森林追赶两个男人时，她并没有考虑到所冒的风险。