distinctive function造句怎么写

Punch for punch, Google+ reproduces some of Facebook's most popular tools but adds one distinctive function: video chat.

It is a thin type of fan filter unit, like a screen. This unit has a distinctive function to prevent the infection being speared and to raise the cleanliness in local area.

Their distinctive function in ambiguity is not at the same degree in English and Chinese because the phonological features of the two languages are quite different.