| 聚 |
jù jiāo | to focus (light, electron beam etc) / to focus attention |
| 聚 |
jù | to assemble; to gather (transitive or intransitive) / (chemistry) poly- |
| 焦 |
Jiāo | surname Jiao |
| 焦 |
jiāo | burnt / scorched / charred / worried / anxious / coke / joule (abbr. for 焦耳) |