indispensable• For mountain-climbing a really good sleeping-bag is indispensable.• If you're planning on going sightseeing around the old city, a guide is indispensable.• Police dogs have provedindispensable in the war on drugs.• She soon became an indispensablemember of staff.• A knowledge of classicalmusic is indispensable to anyone who wants to apply for this job.• The book will be indispensable to anyone who wishes to learn more about the BritishRoyal Family.
VERBS | ADVERB | PREPOSITIONVERBS➤be, prove不可或缺;證明不可缺少▸➤become變得必不可少▸➤make sb/sth使⋯必不可少◇He had soon made himself indispensable.他很快就使自己成為不可或缺的人物。➤consider sb/sth認為⋯必不可少ADVERB➤absolutely絕對不可缺少PREPOSITION➤for對⋯來說必需◇Written sources are considered absolutely indispensable for today's history teaching.對於今天的歷史教學來說,書面資料被認為是絕對必需的。➤in在⋯中不可或缺◇These drugs are almost indispensable in the fight against the disease.這些藥物對治療這種疾病幾乎是不可缺少的。➤to對⋯必不可少◇skills which turned out to be indispensable to her career證明對她的事業必不可少的技能