He used the ember to start a new fire.

He is a pain in my neck.

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

Various species of trees are planted in this park.

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.

I use koji starter to make homemade miso.

What is the specific epithet of this plant?

Aluminum is an amphoteric oxide, it reacts with both acids and bases.