Definition: clean and healthy Level: B1
雨后，空气感觉格外纯净。
After the rain, the air felt wonderfully ___pure.
瓶装水也未必是化学纯净的。
Bottled water isn't necessarily chemically ___pure either.
从海上吹来的微风纯净而清新。
The breeze coming from the sea is ___pure and refreshing.
