be_certain_that_of_有道手机词典

1.These results provide support for researchers' prediction that naltrexone will turn out to be toxic to certain types of bacteria.
这些结果支持了研究人员的预测，即纳曲酮对某些类型的细菌是有害的。
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2.Scientists say both studies demonstrate that certain parts of the ecosystem respond rapidly to reductions in atmospheric pollution, but that these findings should not be used as a license to pollute.
科学家称这两项研究都表明，生态系统的某些部分对于大气污染的减少反应迅速，但这些发现不应该成为允许污染的理由。
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3.They can just be symptoms of a sleep disorder that can result from an unpleasant experience, stress, or certain drugs.
它们可能只是睡眠障碍的症状，可能是由不愉快的经历、压力或某些药物引起的。
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