4月ばかの日は、人々がお互いにいたずらやいんちきをする日です。
I can't figure out how to solve the puzzle.
April Fools Day is a day when people play practical jokes and hoaxes on each other.
The birefringence of the crystal causes the light to split into two polarized beams.
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★
