adlib
UK/æd'lib/US
GRE
Definitions
v.
To speak or perform without preparation or a script; to improvise
即兴表演，即兴发挥
n.
An improvised remark or performance done without preparation
即兴讲演，即兴之作
Root Breakdown
Root-derivedExample Sentences
- 1.
The actor had to adlib his lines when the script was lost.