pear
nashi
JMdict 1549860
なしnone; withoutはみずみずしいjuicy
Pears are juicy
は (topic) raises 梨(なし) (pear) as the topic — “as for the pear…”. The predicate is the i-adjective みずみずしい (juicy / fresh), which stands alone with no “is” needed. With no politeness ending, it sounds like a relaxed everyday remark.