His company is making vast profits.

I like to exercise outdoors.

Using a mnemonic, it became easier to remember new words.

We should take our hats off to his efforts.

In this chemical reaction, cyclooctadecane is the main product.

Octacosane is a compound often used in organic chemistry.

Octatriacontane is a type of hydrocarbon in organic chemistry.

贈 is the old font for 贈.

I entrusted my dog to him.

He checked whether he remembered or not.