While optical telescopes extend our view deep into space, to distances billions of light-years away from the eye's everyday demesne, optical microscopes turn our vision inward, taking it to deep inner space. 光学望远镜把我们的目光带向宇宙深处,比日常所见的领域还要远数十亿光年的地方。
demesne
[ noun ]
extensive landed property (especially in the country) retained by the owner for his own use
<noun.possession> the family owned a large estate on Long Island
territory over which rule or control is exercised
<noun.location> his domain extended into Europe he made it the law of the land
Demesne \De*mesne"\, n. [OE. demeine, demain, rule, demesne, OF. demeine, demaine, demeigne, domaine, power, F. domaine domain, fr. L. dominium property, right of ownership, fr. dominus master, proprietor, owner. See {Dame}, and cf. {Demain}, {Domain}, {Danger}, {Dungeon}.] (Law) A lord's chief manor place, with that part of the lands belonging thereto which has not been granted out in tenancy; a house, and the land adjoining, kept for the proprietor's own use. [Written also {demain}.] --Wharton's Law Dict. Burrill.
{Ancient demesne}. (Eng. Law) See under {Ancient}.