用于菜单、按钮和说明。你的学习内容将保持英语。
/fuːl bɪˈhaɪnd/
to lag or not keep up
“He began to fall behind in his studies.”
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.
inoh
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