Please add a little vinegar to this salad.

This lemon is sour.

The bird is flying in the sky.

He makes a living by pulling a rickshaw in Kyoto.

Please leave a message on the answering machine.

Hydrogen is the most abundant element in the universe.

I plan to stay home and house-sit today.

Scandium is a rare element that exists in very small amounts in the earth's crust.

I commute by train every day.

My new automobile is very fast.