Nucleus
['njuːklɪəs] or ['nuklɪəs]
解释:
(noun.) a part of the cell containing DNA and RNA and responsible for growth and reproduction.
(noun.) any histologically identifiable mass of neural cell bodies in the brain or spinal cord.
(noun.) the positively charged dense center of an atom.
(noun.) (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail.
校对:玛克辛--From WordNet
解释:
(n.) A kernel; hence, a central mass or point about which matter is gathered, or to which accretion is made; the central or material portion; -- used both literally and figuratively.
(n.) The body or the head of a comet.
(n.) An incipient ovule of soft cellular tissue.
(n.) A whole seed, as contained within the seed coats.
(n.) A body, usually spheroidal, in a cell or a protozoan, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents. It is more or less protoplasmic, and consists of a clear fluid (achromatin) through which extends a network of fibers (chromatin) in which may be suspended a second rounded body, the nucleolus (see Nucleoplasm). See Cell division, under Division.
(n.) The tip, or earliest part, of a univalve or bivalve shell.
(n.) The central part around which additional growths are added, as of an operculum.
(n.) A visceral mass, containing the stomach and other organs, in Tunicata and some mollusks.
卡斯特罗校对
同义词及近义词：
n. Kernel, core, centre.
格思里整理
同义词及反义词：
SYN:Core, central_part, center, kernel,[See CORE]
卡洛琳手打
解释:
n. the central mass round which matter gathers: (astron.) the head of a comet:—pl. Nuclei (nū′klē-ī).—adjs. Nū′clēal Nū′clēar pertaining to a nucleus.—v.t. Nū′clēāte to gather into or around a nucleus.—adjs. Nū′clēate -d having a nucleus; Nū′clēiform.—ns. Nū′clēin a colourless amorphous proteid a constituent of cell-nuclei; Nū′cleobranch one of an order of molluscs which have the gills packed in the shell along with the heart:—pl. Nucleobranchiă′ta; Nū′clēōle a little nucleus: a nucleus within a nucleus—also Nuclē′olus:—pl. Nuclē′oli.
杰勒德整理
例句:
- By 1810 a new Prussia existed, the nucleus of a new Germany. 赫伯特·乔治·威尔斯. 世界史纲.
- But each of such swarmings still leaves a tribal nucleus behind to supply fresh invasions in the future. 赫伯特·乔治·威尔斯. 世界史纲.
- It was the last asset in their fortunes, the nucleus around which their life was to be rebuilt. 伊迪丝·华顿. 快乐之家.
- It is only the nucleus that can be guessed at; the fringe which shades out into various degrees of respectability remains entirely unmeasured. 沃尔特·李普曼. 政治序论.
- To aid the effect, a reflector was employed, and when the rays were directed to the clouds, they had the appearance of a huge comet, the reflector being the nucleus. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- Strip it of all its ornament, run it down to the root and nucleus of the whole, and what is it? 哈丽叶特·比切·斯托. 汤姆叔叔的小屋.
- Sir Samuel Bentham, of England, whose inventions in the last decade of the Eighteenth Century formed the nucleus of the modern art of woodworking. Edward W. Byrn. 十九世纪发明进展.
- Their numbers, however, were scarcely sufficient to be a nucleus for the population of the important points of the territory acquired by that war. 尤利西斯·格兰特. U．S．格兰特的个人回忆录.
- Of course it is a nucleus and focus of crime. 阿瑟·柯南·道尔. 福尔摩斯历险记.
- The nucleus of his army marched from Susa, gathering up contingents as they made their way to the Bosphorus. 赫伯特·乔治·威尔斯. 世界史纲.
乔治娜手打