but their body temperature can still rise. 但它们的体温仍在升高
who knows how many Lechuguillas are still waiting to be discovered? 谁知道还会有多少个龙舌兰洞 等着人们去发现呢
But with half the world's limestone still to be explored, 但世界上仍有一半石灰岩洞尚未被开发
The only water Lechuguilla has are these wonderfully still clear pools. 龙舌兰洞中唯一的水 来自这些平静清澈的水塘
but still nobody yet knows the true extend of this subterranean waterworld. 但仍旧无人知晓 这个地下水世界究竟有多大
It's a remarkable skill and one we still do not fully understand. 我们至今仍未能完全了解 这种了不起的本领
but they must still survive the attacks of other, more specialised, birds of prey. 但它们仍须躲过 其它更专业的猛禽的攻击
they're still held by a silicon safety line. 它们还有一根坚韧的“安全索”