...体:一般:几种物质,P为几,同种固体不同晶形, 每种晶形自成一相,固溶体:P为1 2011-11-13 5 (二)物种数(number of species)与组分数(numer of components) 定义 ——物种数S 系统所含化学物质种类数。不同相含同一物质,视 为同一物种。
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I am sure you're all aware of the worrying situation with a large number of species facing extinction.
我相信你们都意识到了大量物种面临灭绝这个令人担忧的情况。
A number of species have already disappeared, such as the jaguarondi.
许多物种已经消失,例如獭猫。
Onaverage, the number of species in the 44 sites increased by 23%.
平均而言,44个禁捕区内的物种数增长了23%。
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