The use of bioweapons is prohibited by international law.

The study of nekton is an important part of marine biology.

My biological clock is disrupted, and I've been having sleepless nights.

Invasive species can have a major impact on the natural environment.

Among my family, I am the tallest.

Yesterday, I watched 'Sleeping Beauty' at the movie theater.

I am interested in the culture of China.

He is good at reading Chinese text.

I am busy with work during the day.

I work during the daytime.