吃透英语课本，提升在校竞争力
adj. 想象中的；虚构的
As she listened, she played an imaginary piano on her knees.
她边听边在膝盖上作弹钢琴状。
We must protect older people from harm, whether it is real or imaginary.
我们必须保护老人免受伤害，无论这伤害是真实的还是假想的。
imaginary circle
虚圆
imaginary part
[计]虚部
imaginary number
虚数
imaginary line
假想线；虚线
adj.[计][摄]虚构的，[心理]假想的；想像的；虚数的
fictitious
figmentary
