Bird eggs hatch at the appropriate temperature and humidity.

In order to incubate bird eggs, it is necessary to keep the temperature and humidity constant.

I was born and raised in Fukagawa.

This computer is in a state of overload.

The government decided to impose a new tax.

The government decided to impose a new tax.

His foot is very fast.

I bought three pairs of new socks.

He injured his foot.

Ouch, I tripped over my foot.