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1.The scientists are trying to find ways of using human anti-bodies to fight against snake venom.
fight against 对抗
He died after a brave but unavailing fight against a terminal illness.
在与绝症进行了一番勇敢但却徒劳的抗争之后，他还是去世了。
2.However, people who get the right anti-venom have a very high chance of survival.
survival 幸存
His only chance of survival was a heart transplant.
只有进行心脏移植，他才有望活下去。
