2 sentences for 澄 (dèng)

1. 这缸水太浑了，得澄一会儿才能用。

   zhè gāng shuǐ tài hún le, děi dèng yī​huì​r cái néng yòng.

   This jar of water is too cloudy; it needs to settle for a while before it can be used.

   Source: Dong Chinese Dictionary

2. 水缸里的混水澄了几个小时，现在已经变清了。

   shuǐ​gāng lǐ de hún​shuǐ dèng le jǐ gè xiǎo​shí, xiàn​zài yǐ​jīng biàn qīng le.

   The muddy water in the jar has been left to settle for several hours and has now become clear.

   Source: Dong Chinese Dictionary