crucial /ˈkruːʃəl/ adjective Learner's definition of CRUCIAL
[more crucial; most crucial]
: extremely important极其重要的；关键的 -
Vitamins are crucial for maintaining good health.维生素对保持身体健康至关重要。
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Eggs are a crucial [=essential] ingredient in this recipe.鸡蛋是这个食谱中的关键食材。
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a crucial distinction/difference重大的区别/差异
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It's crucial that we arrive before 8 o'clock.我们要在8点之前到，这点至关重要。
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Teachers are crucial to the success of the school.教师是学校成功的关键。
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She played a crucial role in the meeting.她在那次会议上起到了关键性作用。
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Tonight's game is the crucial [=decisive] game of the series. [=whoever wins this game will win the series]今晚的比赛是系列赛的决胜场。
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a crucial decision重大抉择