单词：infection contamination
infection contamination的用法和样例：
例句
- This infection is transmitted by mosquitoes.这种传染病是由蚊子传染的。
- Always sterilize the needle to prevent infection.经常消毒针具以防止传染。
- He suffered from a lung infection.他肺部受到了感染。
- Antibiotic can be used against infection.抗菌素可以用来防止感染。
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