虽然还需解决许多震前困扰海地很久的问题，但这种积极性是可见的。
Such initiatives are sound, even if many are designed to deal with problems that had plagued Haiti long before the earthquake struck.
那些经历了不够好生活的人们，是在相反的极性中，反平衡了在很久前经历了好生活的祖先。
Those experiencing the "not so good life" are in polar counterbalance to ancestors that experienced the "good life" long ago.
发现这类荧光分子具有很强的溶剂敏感性，是潜在的极性微环境荧光探针的前体。
It was found that these rigid molecules are precursors of fluorescent probes sensitive to solvent polarity.
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