róng
to dissolve
soluble
岩溶
yán róng
(geology) karst
水溶
shuǐ róng
water soluble
速溶
sù róng
quick-dissolving
速溶咖啡
sù róng kā fēi
instant coffee
不溶
bù róng
insoluble
即溶咖啡
jí róng kā fēi
可溶
kě róng
可溶性
kě róng xìng
solubility
微溶
wēi róng
slightly soluble
易溶
yì róng
气溶胶
qì róng jiāo
aerosol
水溶性
shuǐ róng xìng
soluble (in water)