1、adv.经常; 往往; 常常; 时常; 大多;
2、[例句]The disease often goes/ remains undetected for many years.这种疾病经常潜伏多年而不被察觉。
3、[其他]比较级:more often 高水平:most often
1、adv.经常; 往往; 常常; 时常; 大多;
2、[例句]The disease often goes/ remains undetected for many years.这种疾病经常潜伏多年而不被察觉。
3、[其他]比较级:more often 高水平:most often
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