This problem is too simple.

Arsine is a colorless, odorless, and highly toxic gas.

In this chemical experiment, there is a possibility that arsine may be generated.

He injured his peroneus brevis muscle.

Akira is always clear-minded and sincere.

A beautiful holly osmanthus is planted in the garden.

That theory is unscientific and has no evidence at all.

On nights when the moon shines brightly, I feel special.

Her gorgeous dress immediately grabbed attention.

Shu is the most excellent student in his class.