Positif
n. (老式管风琴上的)伴唱键盘
🗣️ 情景例句
Front... knees up, knees up.
前踢， 膝盖抬高。
I played in the yard this afternoon.
我今天下午在庭院玩。
So great is our passion for doing things for ourselves, that we are becoming increasingly less dependent on specialized labour.
现在我们自己动手做事的热情很高，结果对于专业工人的依赖越来越少了。