auxiliary word(used after a verb or adjective, or a verb or adjective phrase, to indicate a class of persons or things) one (or those) who; the thing (or things) which
We are workers.
They are weak.
auxiliary word(used after a noun phrase ending with "work" or "ism" to indicate the person or persons doing the stated work or holding the stated doctrine)
We are social producers.
auxiliary wordfml(used with the numbers 二、三、数, etc.)
these two things
auxiliary wordfml(used after a word, phrase, or clause to mark a pause, as in giving definitions)
Wind is air in motion.
pron.dated(often used in early vernacular) this