| 儿 |
ér chá sù | catechin (biochemistry) |
| 儿 |
ér | child / son |
| 儿 |
r | non-syllabic diminutive suffix / retroflex final |
| 茶 |
chá | tea / tea plant / CL:杯,壶 |
| 素 |
sù | raw silk / white / plain, unadorned / vegetarian (food) / essence / nature / element / constituent / usually / always / ever |