is
vt.& vi. 是(be的三單形式)
Is is the third person singular of the present tense of be .Is is often added to other words and shortened to -'s .
It is possible to cure psoriasis.
牛皮癬是可以治好的.
Russian spelling is phonetic.
俄語的拼法是音形一致的.
She is always worrying about little things.
她老是為小事煩惱.
This room is insulated against noise.
這個房間隔音.
A lie which is half a truth is ever the blackest of lies.
真假參半的謊言最險惡.