extemporaneously
adv. 无准备地, 临时作成的
发音
US
释义与例句
adv.
-
1.
In an extemporaneous manner; without prior preparation or planning.
Near-synonyms: improvisationally, provisionally, at will, at pleasure
Considering that he was speaking extemporaneously, he covered the subject pretty well.
词汇关系
同义词 2
词源
From extemporaneous + -ly.
来源：wiktionary