在使用用癌症疫苗找出更小更隐蔽的肿瘤前，必须先验证它们确实能针对特定癌症并且使快速生长的癌肿缩小。

Before they can seek out these smaller, hidden deposits of tumors, however, cancer vaccines must prove that they can actually target and shrink a cancer's more conspicuous growths.

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随着开发，森林砍伐，以及海面温度的提升斗威胁着钏路沼泽地，使红顶鹤的栖居地缩小。

Their habitat is shrinking as massive developments, deforestation, and rising sea levels threaten the Kushiro marshland.

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她发现，手机的覆盖使不同市场间的价格差异至少缩小了6.4%，而对偏远和难以企及的市场影响更大。

She found that it reduced price variations between one market and another by at least 6.4%, and more in remote and hard-to-reach markets.

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