他正在跳舞的英文：Hes dancing；

dance

n. 舞蹈;舞步;舞蹈(艺术);跳舞；

v. 跳舞;跳…舞;跳跃;雀跃;轻快地移动

There was music and dancing till two in the morning.

音乐和舞蹈一直持续到凌晨两点。

We hold a dance every year to raise money for charity.

Find a partner and practise these new dance steps.

找个舞伴来练习这些新舞步。

Couples took the floor for the last dance of the evening.

双双对对开始跳晚会的最后一支舞。

John was full of invention ─ always making up new dance steps and sequences.

约翰有丰富的创造力——总能编出新的舞步和连续舞步。