原级：sick
sicker的近义词
最高级：sickest
第三人称单数：sicks
sicker的反义词
现在分词：sicking
过去分词：sicked
过去式：sicked
1. He was getting sicker, and doctors needed to act fast if they were going to save the organ.
2. The carrier saw no particular advantage in merging itself with a sicker rival.