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crucial
US /ˈkruʃəl/
・
UK /'kru:ʃl/
- Adjective
- Extremely important or necessary
- Of great importance to the success of something.
B1
More relevant
US /ˈrɛləvənt/
・
UK /ˈreləvənt/
- Adjective
- Having an effect on an issue; related or current
A2TOEIC
More vital
US /'vaɪtl/
・
UK /'vaɪtl/
- Adjective
- Needed to support life; essential
- Full of life; energetic
B1TOEIC
More effective
US /ɪˈfɛktɪv/
・
UK /ɪˈfektɪv/
- Adjective
- Working efficiently to produce a desired result
- In operation; in force.
A1TOEIC
More Use Energy
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