| The human body and health | Nierensteine + | kidney stones + | Symptoms, ailments and illnesses | B |
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
Những viên đá này khác nhau về hình dạng .
 hòn  [CL for stones and stone-like objects, small islands]; ball |
The water in this lake is very clear, and I can see small stones on the bottom. 
Das Wasser in diesem See ist so klar, dass ich die Kieselsteine auf dem Grund des Sees sehen kann.