perform without preparation
同义词:improvize??/??ad-lib??/??extemporize??/??extemporise
manage in a makeshift way; do with whatever is at hand
同义词:extemporize
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。