The Fourier transform plays a very important role in signal processing.

For some reason, I can't convert this sentence.

A proper fraction refers to a fraction where the numerator is smaller than the denominator.

He marked my message as read, but he hasn't replied yet.

She is a married woman and has two children.

A mixed number is a number that has an integer part and a fraction part.

He is good at writing sentences in Kana.

In cytology, a pseudopod is a structure for cell movement.

This furniture is painted with varnish.

This table is painted with an alternative form of varnish.