Creg
[医][=cross-reactive group]交叉反应组
🗣️ 情景例句
Yes, come on.
是的， 过来。
Your price is 20% higher than that of last year.
你方价格比去年高出20%。
It sped downhill at the end of the race and its driver had a lot of trouble trying to stop it.
它在接近终点时，冲下了山坡，驾驶员费了好大劲才把车停下来。