Roundworms are an important part of the soil and contribute greatly to the health and fertility of the soil.

My grandfather was born in the 1900's.

I started a new job the month before last.

He is suffering from combat stress reaction.

I have been to St. George's.

This is truly a once in a lifetime opportunity.

I do laundry using synthetic detergent.

He was diagnosed with prostate cancer.

The Kokin Wakashū is the second collection of the Chokusen Wakashū.

The prime meridian is the line that serves as a reference for determining the longitude of any point on Earth.