a three-quarter length coat的用法和样例：
- It is a three ring circus to watch that silly dog play.
- A double dotted half note or minim is equal in length to three quarter notes or crotchets and an 8th note or quaver.
- He discarded a three,and picked up a Queen.
- A three piece suite has two chairs and a sofa.
- For this shot, I need a three wood.