常见例句用作名詞 (n.)The nucleocapsid is surrounded by an envelope which forms the outer layer of the virion and maintains intimate contact with host bodily fluids.核殼的外麪再被包膜所包圍，而包膜便是病毒粒子的最外層，直接與宿主的躰液接觸。 返回 nucleocapsid