用于菜单、按钮和说明。你的学习内容将保持英语。
/wʌn(t)s ən eː bluː muːn/
Very rarely or infrequently.
“She visits her hometown once in a blue moon.”
A detailed report of events in the order they happened.
An action that insults or embarrasses someone, especially unexpectedly.
A much larger amount.
A completely different situation that needs new rules or approaches.
A rough material used to grind or polish a surface.
A king or queen with unlimited power.