He is watching TV.

His figure suddenly appears.

She decided to hide her secrets from prying eyes.

His way of speaking is monotone, and I can't feel any emotion at all.

I have my graduation ceremony tomorrow.

Next year, my younger brother will have his coming-of-age ceremony.

In order to find the empirical formula of this compound, you must first calculate the ratio of elements.

The Wade-Giles romanization is often used to express the pronunciation of Chinese.

It's difficult to decipher this chemical equation.

We attended the cornerstone laying ceremony of the new building.