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

Him calling me lazy is truly a case of the pot calling the kettle black.

He chose a stable job, saying 'a bird in the hand is worth two in the bush.'

The 正十六胞體 is one of the regular polytopes in four dimensions.

The 16-cell is one of the convex regular polytopes in four dimensions.

This character needs a semi-voiced mark.

This new semiconductor has the potential to revolutionize the electronics industry.

I learned how to calculate the hacoversine in trigonometry.

There are times when we perform calculations with the haversine in trigonometry.

Inside the ear, there are semicircular canals to maintain balance.