| 单词 | frost tolerance | 
| 释义 | > as lemmasfrost tolerance   frost tolerance  n. the ability of plants to withstand freezing temperatures. ΚΠ 1902    Cycl. Amer. Hort.: R–Z 1843/1  				It has been impossible to give precise information as to the exact degree of frost tolerance of the several species. 1987    Jrnl. Appl. Ecol. 24 674  				Variation in frost tolerance occurs among European populations of several perennial grasses. 2006    Edmonton 		(Alberta)	 Jrnl. 		(Nexis)	 27 Apr.  e9  				Researchers found the transgenic canola and flax had increased frost tolerance by two to four degrees Celsius. < as lemmas  | 
	
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