Salmon return to their spawning grounds by going upstream.

Salmons make a great effort to go upstream the river.

He wrote a sentence using superscript numbers.

This design is top aligned.

He is good at keeping balance on a horse's saddle.

This is the second time he's been late. Well, they say what happens twice will happen three times.

He played a perfect fifth scale on the piano.

This fabric has high color fastness, so it is hard for the color to fade even when washed.

When it reaches absolute zero, the molecular motion of matter stops.

We go on a family trip once a year.