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1. abandon v. 放弃；抛弃 He abandoned the plan at the last minute. 2. bias n. 偏见；倾向 News should be free from political bias. 3. crucial adj. 至关重要的 Timing is crucial to the success of the rescue. 4. diverse adj. 多样的；不同的 The city has a diverse population of over 200 nationalities. 5. evolve v. 逐步发展；进化 Smartphones continue to evolve every year. 6. fragile adj. 易碎的；脆弱的 Handle the package with care—it’s fragile. 7. guarantee v./n. 保证；担保 The store guarantees a full refund within 30 days. 8. humble adj. 谦逊的；卑微的 Despite his fame, he remains humble and kind. 9. illustrate v. 阐明；举例说明 The teacher used a diagram to illustrate the concept. 10. justify v. 证明……正当；为……辩护 Nothing can justify such rude behavior.