Invertebrates are a type of creature without a skeleton.

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

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

He was left in a state of statelessness.

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

He cannot enter into a legal contract as a person without legal capacity.

The opinions of the non-partisan layer greatly affect the election results.

His poem depicts a world of nothingness.

An intercontinental ballistic missile is a weapon with a very large destructive power.

The launch of intercontinental ballistic missiles has become an international issue.