The Marco Polo Bridge Incident was the trigger for the Sino-Japanese War.

The Special Higher Police was a police organization that was active in pre-war Japan.

I plan to spend this year's Christmas with my family.

This is our official website.

He is majoring in aerospace engineering.

He is attending a college preparatory school.

I found a 'Shinjiro Koizumi phrase' on the internet and couldn't help but laugh.

He is unsociable, so he doesn't participate in parties much.

The subscription fee for this magazine is 1000 yen per month.

These vectors are orthogonal.