一条巨蟒，被认为是恐龙消失时在陆地上行走或至少滑行的顶级捕食者。
A titanic snake has been identified as the top predator to walk, or at least slither, the land when the dinosaurs disappeared.
这并没有阻止她追求梦想，成为一名顶级骑马者。
That didn't stop her from following her dream of becoming a top horse rider.
科学家们希望他们为这种重要的顶级捕食者——处于食物链顶端的捕食者扭转局面。
Scientists hope they can turn things around for this important apex predator, meaning one that is on top of the food chain.
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