| 单词 | occasional |
| 例句 | occasional adjective •the admiral made occasional appearances on board our ship:infrequent, intermittent, irregular, sporadic, odd, random | periodic | uncommon, rare, isolated, few and far between, sometime. ANT regular, frequent. |
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英语同义词词典收录了14896条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。