单词 | facultative |
释义 | fac·ul·ta·tive 1. a. < facultative legislation or enactments > : involving permission rather than compulsion < the licensing provision is purely facultative > b. of money < at one time local subdivisions of France issued facultative coins of small value > c. < facultative courses in the sciences > 2. a. < there is no facultative plurality in the mind; it is a single organ of true judgment — James Martineau > < facultative homosexuals > b. < certain facultative parasites that are capable of a free-living saprophytic existence > < many bacteria are facultative anaerobes > 3. 4. |
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