| 单 |
dān liàn | single chain / refers to RNA as opposed to the double helix DNA |
| 单 |
Shàn | surname Shan |
| 单 |
chán | used in 单于 |
| 单 |
dān | bill / list / form / single / only / sole / odd number / CL:个 |
| 链 |
liàn | (bound form) chain (variant of 链) (In Taiwan, 鍊 is often preferred for physical chains, e.g. 项链 and 铁链.) |
| 链 |
liàn | (bound form) chain / cable length (nautical unit equal to 185.2 m) |