The first street we tried turned out to be a dead end.
我们想走的头一条路结果是条死胡同。
Thierry Heidmann of the Gustave Roussy Institute in France and his colleagues put the fossil virus hypothesis to a spectacular test: they tried to resurrect a dead retrovirus.
法国古斯塔夫roussy研究所的亨利·海德曼及其同事设计了令人惊叹的实验,他们试图复活逆转录病毒。
If it appears that escape is not possible, then a last attempt at deflecting the attack is tried - playing dead, or otherwise appearing as an undesirable morsel to the attacker.
如果判定逃跑没希望了,最后就会试图通过装死来躲避攻击,或是用其他办法使自己在攻击者眼中看起来不那么美味。
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