vade-mecum
US /ˌveɪ.di ˈmiː.kəm/
UK /ˌveɪ.di ˈmiː.kəm/
名詞
1.
必需品
a useful book or document that you can check regularly for information about something:
例:
•
These volumes became the vade mecum for modern British historians and political scientists.
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