Memorable (adj.) means worth remembering or likely to be remembered because it is special or very enjoyable. For example, "a truly memorable occasion."
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]难忘的;值得纪念的 Something that is memorable is worth remembering or likely to be remembered, because it is special or very enjoyable.
...the perfect setting for a nostalgic memorable day...
度过令人难忘的怀旧一日的绝佳环境
Annette's performance as Eliza Doolittle in 'Pygmalion' was truly memorable.
安妮特在《卖花女》中扮演的伊丽莎·杜利特尔这个角色实在令人难忘。
memorably
The National Theatre's production is memorably staged.
国家剧院排演的剧目隆重上演了。
Oxford
mem·or·able/ˈmemərəbl; NAmEˈmemərəbl/adjectivememorable(for sth) special, good or unusual and therefore worth remembering or easy to remember 值得纪念的;难忘的SYN