double stranded RNA

例句：

1. 1. Double-stranded RNAis a key component in the immune system.
   双链RNA是免疫系统的关键成分。
2. 2. Thevirus uses double-stranded RNA toreplicate itself.
   该病毒利用双链RNA复制自身。
3. 3. Researchers are studying the roleof double-stranded RNA in diseasedevelopment.
   研究人员正在研究双链RNA在疾病发展中的作用。