biàn huà
change
variation
to change
to vary
CL:個|个[ge4]
biàn huà duō duān
changeable
changing
varied
full of changes
huà xué biàn huà
chemical change
chemical transformation
Lián hé guó Qì hòu Biàn huà Kuàng jià Gōng yuē
United Nations Framework Convention on Climate Change