【单选题】
A very light breeze that causes ripples on a small area of still water is a().
A、cat's paw
B、hog's breath
C、williwaw
D、chinook
A、cat's paw
B、hog's breath
C、williwaw
D、chinook
A、red light over a white light B、green light over a white light C、yellow light over a red light D、white light over a green light