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Is there an English-Japanese dictionary on the bookshelf?
Literal
Bookshelf [at-に] English-Japanese dictionary [subject-が] exists-[polite]-[question-か]?
A standard existence question using ある, the verb of existence for inanimate things. 英和 is a Sino-Japanese compound: 英 ('English,' from 英国 'England') + 和 ('Japanese,' the traditional term for 'native / Japanese'), used in dictionary names — 英和辞典 means 'English-to-Japanese,' and the reverse is 和英辞典.