Due to the unstable weather this year, a poor crop is expected.

Mieko is my best friend.

The ocellaris clownfish is known for its beautiful colors.

He couldn't hide his jealousy towards her success.

The mammoth is an extinct large mammal.

He is suffering from a disease.

In chemistry class, I learned about the reactions of acid anhydrides.

He was left in a state of statelessness.

In our club, we conducted a secret ballot to choose a new leader.

The trolleybus is very convenient as a means of urban transportation.