| 单词 | spanned | 
| 释义 | spannedadj.1  That is or has been spanned or drawn tight. ΘΚΠ the world > matter > constitution of matter > hardness > types of hardness > 			[adjective]		 > taut > made taut well-haledc1400 spanned1598 braced1633 straitened1667 tensed1676 tightened1760 tended1800 tautened1838 the world > space > extension in space > reduction in size or extent > 			[adjective]		 > compressing or constricting > compressed or constricted compressedc1374 coarctate?a1475 nippit1535 comprimate?1541 coarctated1655 spanned1741 constricted1753 nipped1759 constrained1768 squeezed1831 pinched1836 scrunched1836 nipped1850 1598    A. M. tr.  J. Guillemeau Frenche Chirurg. 24/1  				The tunge being hindred by a certayne ligament which we call the spanned vayne. 1741    S. Richardson Pamela 		(ed. 2)	 I. Introd. p. xxvi  				He made a too tight-laced Objection, where he quarrels with the spann'd Waist of Pamela. This entry has not yet been fully updated (first published 1913; most recently modified version published online September 2018). spannedadj.2 Biology.   Of a culture of cells or micro-organisms: having a restricted lifespan; unable to propagate asexually without limit. ΘΚΠ the world > life > biology > laboratory analysis > period > 			[adjective]		 spanned1968 1968    Exper. Cell Res. XLIX. 116  				To produce ‘spanned’ amoebae the nutritional state of amoebae must be altered for a protracted period. 1971    J. Z. Young Introd. Study Man xxii. 293  				Transfer of a normal nucleus into spanned cytoplasm produced resumed logarithmic growth, and a spanned nucleus in normal cytoplasm produced the spanned condition. 1973    Nature 22 June 444/1  				The switch from a ‘spanned’ culture to one that is ‘immortal’ does not necessarily signify a qualitative change in other cellular properties. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). <  | 
	
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