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Sentence

データベース検けん索さくの速そく度どを改かい善ぜんするためにインデックスを追つい加かした。

Span Details

データベース検けん索さく

database search; database retrieval

possession, attribution, nominalizer, or nominal linker

速そく度ど

speed; velocity; pace; rate

noun

改かい善ぜん

improvement; betterment

noun, suru verb

light/support verb with a noun or noun-like phrase

sake or purpose

-> ためgrammar

インデックス

追つい加か

addition; supplement; appending

noun, suru verb, no-adjective

light/support verb with a noun or noun-like phrase

-> するgrammar

past tense or completed action