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1·No antivenin was necessary in this series.

在这一组中不需抗蛇毒素。

2·Before the advent of black mamba antivenin, a bite from this fearsome serpent was 100 percent fatal, usually within about 20 minutes.

在黑曼巴抗毒血清出现之前，被这种恐怖的蛇咬上一口必死无疑，通常在20分钟内就会死去。

3·Unfortunately, antivenin is still not widely available in the rural parts of the mamba’s range, and mamba-related deaths remain frequent.

不幸的是，这种抗毒蛇素的血清并没有在曼巴蛇出没的乡村区域广泛被利用，所以曼巴蛇致人死亡的事件依然时常发生。

4·Doctors learn that he suffers from a blood disorder and hesitate to treat him with an antivenin, which they believe might make his condition worse.

医生知道孩子患的是血液病，但对是否用抗蛇毒血清进行治疗犹豫不决，因为他们认为这样做也许会使病情恶化。

5·Conclusions A rapid, highly effective method for the preparation of antivenin against the venom of Hydrophis cynocinctus has been developed, and a high potency antivenin has been prepared.

结论确定了一套快速、高效的抗青环海蛇毒素血清方案，研制出高效价的抗毒血清。