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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 struggle
US /ˈstrʌɡəl/
・
UK /'strʌɡl/
- Verb (Transitive/Intransitive)
- To try very hard to do something difficult
- To fight or struggle violently
- Noun (Countable/Uncountable)
- Strong efforts made to do something difficult
- A difficult or challenging situation or task
A2
More engage
US /ɪn'gedʒ/
・
UK /ɪn'ɡeɪdʒ/
- Transitive Verb
- To start to fight with an enemy
- To hire someone for a task or job
A2TOEIC
More sustainable
US /səˈsteɪnəbl/
・
UK /səˈsteɪnəbl/
- Adjective
- Capable of continuing for a long time
- Able to be maintained without running out of
B2
More Use Energy
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