aberrant mongolian spot的用法和样例：
- Now, the Mongolian spots in a unique triathlon race, wrestling, archery and fishing boat, beach volleyball, swimming, and other participatory activities.
- I'm afraid we are in for a spot of trouble.
- He is hit by a falling tree and killed on the spot.
- I've always had a real soft spot for him.
- The second part is the high spot of this book.