The United Nations Environment Programme is providing solutions to global environmental problems.

He devised that scheme.

The United Nations Security Council plays a crucial role in maintaining world peace and security.

He contracted severe invasive streptococcal disease and underwent emergency surgery.

He is suffering from acute leukemia.

I gargle every night before going to bed.

The taste of this fruit is a bit astringent.

Mr. Zhai is my best friend.

His injury was deep, and he needed immediate treatment.