Thin White Tongue Patterns

Thin white tongue is normal
Or wind-cold or damp in the exterior.
Thin white slippery tongue is
Exterior attack of cold damp

Thin white dry pale tongue
Is blood vacuity,
Or it could be vacuity
In the yang.

Thin white dry normal tongue
Is external wind-cold
Or wind-heat injuring lung fluid
Or wind-dry invasion

I, I'm hooked on thin white tongues,
I gotta know them
To be able to understand.