2 Polysemy [ palisimi(一词多义) Polysemy is the capacity for a sign(e.g. a word phrase, etc. )or signs to have multiple meanings.A polyseme is a word or phrase with multiple related meanings. Most items of the vocabulary are polysemous
2. Polysemy [ˈpɑlɪsimi]（一词多义）： Polysemy is the capacity for a sign (e.g. a word, phrase, etc.) or signs to have multiple meanings. A polyseme is a word or phrase with multiple, related meanings. Most items of the vocabulary are polysemous
bank”: (a)a financial institution (b) the building where a financial institution offers services, (c)a synonym for rely upon'( e.g. I'm your friend, you can bank on me')
“bank” ： (a) a financial institution; (b) the building where a financial institution offers services; (c) a synonym for ‘rely upon’ (e.g. “I'm your friend, you can bank on me”)