| 单词 | 单链 |
| 释义 | 〔modacrylic〕One of several synthetic, long-chain polymer textile fibers containing 35-85 percent acrylonitrile.变性腈纶：合成纤维的一种，这种合成单链聚合织物纤维包含35%至85%的丙烯腈单体〔viroid〕An infectious particle, similar to but smaller than a virus, that consists solely of a strand of RNA and is capable of causing disease in plants.类病毒：一种传染性微粒，与病毒相象但比病毒小，由核糖核酸单链构成，能在植物中引起疾病 |
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