| 单词 | leaven |
| 释义 | nounverbleavenBrE /ˈlevn/ NAmE /ˈlevn/ noun [U ]a substance , especially yeast, that is added to bread before it is cooked to make it rise 发酵剂；（尤指）酵母，面肥◆ (figurative ) A few jokes add leaven to a boring speech . 几句笑话可给枯燥无味的演讲增添活跃的气氛。leavenBrE /ˈlevn/ NAmE /ˈlevn/ verb present simple - I / you / we / they leaven BrE /ˈlevn/ NAmE /ˈlevn/ present simple - he / she / it leavens BrE /ˈlevnz/ NAmE /ˈlevnz/ past simple leavened BrE /ˈlevnd/ NAmE /ˈlevnd/ past participle leavened BrE /ˈlevnd/ NAmE /ˈlevnd/ -ing form leavening BrE /ˈlevnɪŋ/ NAmE /ˈlevnɪŋ/ [often passive ]~sth (with sth )(formal ) to make sth more interesting or cheerful by adding sth to it （添加…）使较有趣，使更令人愉快◆ Her speech was leavened with a touch of humour . 几分幽默使她的讲话更为有趣。 |
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