ADVERB | VERB + REFINE | PREPOSITION | PHRASESADVERB➤slightly稍加改善➤greatly大大改善▸➤further進一步改善▸➤increasingly日益改進▸➤constantly, continually, continuously持續改進;不斷完善◇The information system is constantly refined and updated.信息系統在不斷完善和更新。➤gradually逐步改進VERB + REFINE➤attempt to, try to試圖改善➤continue to繼續改善▸➤help (to)幫助改進PREPOSITION➤into提煉成⋯◇Sugar cane is refined into sugar.從甘蔗中提煉出食糖。PHRASES➤highly refined高度精製◇supplies of the highly refined white sugar高度精製白糖的供應