这种肥料经过化验表明氨的含量很高。
一位研究组成员认为这次实验“非常有前景”，但沉淀物和水样必须在实验室中经过化验才能得出实验的最后结论。
One of the group members said the experiments, were "very promising" but sediment and water samples would have to be analyzed in a laboratory before conclusions could be drawn.
经过快速的化验，这两个美国人的血型都与小女孩不匹配，幸而有好几名未受伤的孤儿的血型都符合要求。
A quick test showed that neither American had the correct type, but several of the uninjured orphans did.
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