One solution to the delivery problem, proposed by Aera Therapeutics of Cambridge, Massachusetts, is a capsid, a nanoparticle with a protein shell.

马萨诸塞州剑桥的 Aera Therapeutics 公司提出的一种解决输送问题的方法就是使用衣壳，即带有蛋白质外壳的纳米颗粒。

They are naked viruses, about 30 nanometers in diameter, and they're surrounded by an icosahedral capsid, which is a spherical protein shell made up of 20 equilateral triangular faces.

它们是直径约30纳米的裸露病毒，被二十面体衣壳包围；二十面体衣壳是由20个等边三角形面组成的球形蛋白质壳。

Human herpesvirus 8 is a large double stranded linear DNA virus surrounded by an icosahedral capsid, which is a spherical protein shell made up of 20 equilateral triangular faces.

人类疱疹病毒8型是种巨大的双链DNA病毒，其外由一个二十面体的衣壳包围，其衣壳是由20个等边三角形组成的球状蛋白壳。