Tra từ extemporaneously - Từ điển WordNet v3.1

Từ điển WordNet v3.1 - WordNet Dictionary

extemporaneously

adverb

without prior preparation
- he spoke extemporaneously
• Syn:
extemporarily, extempore
• Derived from adjective:
extemporary (for: extemporarily), extemporaneous