Weaning a baby is a difficult task for parents as well.

My younger brother got infected with pinworms.

My younger sister got infected with pinworms.

This 蟯蟲 is a very rare type of parasite.

When summer comes, we take measures to repel insects inside the house.

She is the owner of a 'kijitsu'.

It's a natural phenomenon for newborns to secrete witch's milk.

Ritsu-shu is a sect of Nara Buddhism and is widely known in Japan.

Central China is one of the economic centers of China.

It's difficult to calculate the volume of this prism.