a pendent chain的用法和样例：
- It was a pendent problem in the history of drawing who was the author of Essa y of Huachan Study.
- Abstract : A new polyphosphazene with perfluorobutylsulfonylimide as a pendent group has been prepared.
摘要 ： 本文合成了一种新的具有全氟丁基磺酰亚胺基侧链的聚磷腈高分子。
- She has a gold chain about her neck.
- There is a pendent lamp.
- She wore a silver chain around her neck.