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1.learn about 了解
The pain I learnabout this way is not my pain.
通过这种方式知道的痛苦不是我自己的。
2.uncover from 发现
What followed was a sustained campaign on social networks to force the police back into action and to uncover clues from the video.
随之而来的是社交网络上发起了持续的活动，迫使警方重新采取行动，从视频中寻找线索。
The plasticity helps plant to be adapted to adverse environment, nevertheless, but we have to admit that plasticity make it difficult to uncover genetic action from many phenotypic forms.
可塑性一方面帮助植物更好地适应不利环境，但我们也不得不承认可塑性，使得人们难以从表型直接理解基因功能。
