单词'bank'是一个同形同音异义词，因为它既可以指河岸也可以指银行。

The word '___bank' is a ___homonym, as it can mean the side of a river or a financial institution.

英语中'sea'和'see'是同音异义词，它们发音相同但意思完全不同。

In English, '___sea' and '___see' are ___homonyms — they sound the same but have totally different meanings.