澳大利亚的格雷林，一种淡水鱼，由“弱势”渐变为“濒临威胁”幸好是水坝里的鱼梯和其他保护措施才得以保全。
The Australian grayling, a freshwater fish, graduated from "vulnerable" to "near threatened" thanks to fish ladders at dams and other protection measures.
而此刻，斯特里克林也很清楚，如果他企图早些保全自己，只有死路一条（因为飞机还没到有利位置——译者注）；可如果稍迟那么一瞬间，也是必死无疑（因为飞机已撞击地面——译者注）。
At that moment, Stricklin also knew that if he bailed too soon, he might die. And if he waited too long, he definitely would die.
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