Complex sentence: Jerry then emerges from the mousehole with a clothespin on his nose, and Tom recovers and jumps at him, but Jerry stuffs the cigar into his face, making him sick all over again.
Split into simpler sentences: Jerry then emerges from the mousehole with a clothespin on his nose seeing a sick Tom. Tom soon recovers and jumps at him, but Jerry stuffs the cigar into his face, making him sick all over again.