During the period of Boushu, the rice sprouts begin to emerge.

He understands the risk of being infected with semen that contains HIV.

The problem of introduced species can potentially disrupt the balance of ecosystems.

Many native species live in this park.

He exposed his own foolishness on Twitter.

He passed the lie detector test.

He was the first discoverer of that new species of plant.

My grandmother drinks Panax ginseng tea every day.

Pentathlon is a competition that tests both physical strength and technique.

He participated in the Olympics as a pentathlon athlete.