Cathetron
[电]外控式三极汞气整流管
🗣️ 情景例句
but it'll take you ten minutes longer.
但会多花你十分钟的时间。
Have him return my call.
让他给我回电话。
He's doing well in all his lessons. He's not lazy. He'll do very well in the exams.
他各门功课都学得很好。他从不懒。他考试会考得很好的。