The capsid together with the enclosed nucleic acid is the nucleocapsid.衣壳同包围它的核酸一起称为核衣壳.He recruited another nucleic acid chemist, a young Pakistani, Dr. Rao Sastri.他又找来一名核酸化学家, 叫作拉奥·萨斯特利的年轻的巴基斯坦人.To study the gastrointe...
她在打壁球时把踝部韧带拉伤了.She tore ligament in her ankle while she was playing squash.玛丽扭伤了足踝, 约翰驮她去看医生.When Mary sprained her ankles, John carried her piggyback to the doctors.他跳下去的时候扭伤了足踝.He gave a wrench to his ankle when he jum...
这需要认真地准备需搭接的两片衣片.This necessitates carefully preparation of the two sections to be lapped.使搭接用凿槽或搭接的方法连结 ( 小块, 例如木头的 )To join ( pieces, as of wood ) by means of a scarf or lap joint.在开关柜中,作为输送电能的母线之间需要搭接, 搭接的可靠性是输、配电网络能否...