The Year of the Tiger has gone and we haverabbit, dragon…pig year. What words can we think of for pigs?
Some bad words may be silly, dirty, greedy(贪婪)…But are these true?
When we see pigs, they are usually in dirtywater or behind dirty fences. But pigs also want to be clean if they can. Pigshave no sweat glands (汗腺), so they have to getcool in water when they feel hot.
If people are greedy, we say they are "pigout". Yes, pigs love eating a lot. But they are useful to people. Peoplenot only eat their meat, but also use other parts of pigs. Pig skin is used forglue and shoes. The hair can be used to make brushes. Sometimes, pigs are evenused to make medicine.
"He is as silly as a pig!" Thisexpression is wrong. Pigs are very smart animals. Among all animals, they arethe third cleverest一monkeys, dolphins andpigs. Scientists think the training of pigs is easier than the training of dogsand cats. Pigs have a very good sense of smell. They can find things nearby orfaraway. They can also help the police tosniff out drugs (毒品) at an airport or at a train station.
