a big black bug bit a big black bear, made the big black bear bleed blood.
大きく黒い虫は大きいツキノワグマになされた血を出血させるために大きいツキノワグマをかんだ。
As for the largely black insect the large asiatic black bear was bitten in order to bleed the blood which you can do to the large asiatic black bear.