I don't see how that's the opposite. things can appear from time to time at regular intervals. do your intermittent wipers randomly move? no they move at regular intervals.
Let me explain: Periodic has a narrow definition and a broader more ambiguous definition. Which are opposites. For example one could say I get Time magazine on a periodic basis, which is semi-mo...
what i think is that chinese people practice kung fu while japanese people learn to cook in front of other people and make cool volcano's out of onions.
Oh man..that onion trick is the best!
noo i love it when the flip the zucchini right straight into my eye, covering it with oils and junk and stuff.. and it burns, and i scream like a little girl... and go blind for about 2 minutes. good times.