科班的英文：
regular professional training
adj. 定期的；有规律的；频繁的；平常的；规则的，整齐的；中份的；常规的
n. 常客；正式成员
Please regular the sound on that recorder.
请调节录音机的音量。
They run regular services.
它们提供有规律的服务。
Not regular or fixed;occasional
不规则的；非固定的；临时的
adj. 职业的；高水平的
n. 职业选手；专家，内行
His profession is a teacher || He is a teacher by profession
他的职业是教师
The author of the guidebook is an architect by profession.
该手册的作者任职建筑师。
The author of the guidebook is an architect by profession
该手册的作者任职建师
n. 训练；培训
the tail of a train
火车的尾部
explosive train
火药系
Is this dog trained?
这狗受过排便训练吗？