The scrapie agent in sheep may be similar to viroids.
绵羊的搔痒也是类毒。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
Virologists are constantly looking for mutations that might make viruses such as influenza more likely to jump.
病毒学家一直在寻找可能令流类病毒更易产生宿主转移突变。
They have no cytoplasmic membrane, cytosol, or functional organelles, but they can infect all types of cells and numerous viruses can also infect bacteria, which are called bacteriophages.
虽然没有细胞膜、细胞质和功能性细胞器，但它们可所有类型细胞；许多病毒也能细菌，这类病毒也被称为噬菌体。
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划词翻译
详细解释
也是类
选 
突变。
所有类型
