A banana is a non-example of keen.
bone,
circle, sphere, oval
Color Speed Sound
Well , eating pizza (:
the number of girls in a class compares to color of bananas
A example is sand castle hope I helped
Nonexamples of heat transfer include a chair not getting colder when left outside in winter, a metal spoon not getting hotter when placed in a refrigerator, and an ice cube melting in a freezer.
As keen as mustard or as keen as a kitten
Ray A. Keen has written: 'Keen, Koehler, Kuntzi'
Examples of periodic waves include ocean waves, sound waves, and light waves which exhibit a repeating pattern over time. Nonexamples of periodic waves include random noise and chaotic systems which do not exhibit a consistent, repetitive pattern.
The expression is to be "keen on" something or someone, if you are an enthusiast or a lover.
Geoffrey Keen's birth name is Geoffrey Ian Keen.