The Wallace line was first sketched out in 1859 by a guy named, wait for it, Wallace.

“华莱士线”最早是在1859年由一个叫，等等，华莱士的人勾勒出来的。

And this particular line, called the Wallace Line, is perhaps the sharpest and most iconic of all.

而这条被称为“华莱士线”的线，也许是所有线路中最尖锐和最具代表性的。

And those ended up being mostly species from the Australian side, seeing as the Wallace line acted as a barrier to Asian species moving east.

而最终由大多数来自澳洲侧的物种填补了那块区域，因为华莱士线成为亚洲物种向东移动的障碍。

Because by the 1980s, scientists were able to say with confidence that the Wallace line is, at its core, a result of plate tectonics.

因为到了 1980 年代，科学家们能够有把握地说，华莱士线究其核心是板块构造的结果。

And while he'd end up being overshadowed by Darwin on that front, the second-best idea he had on that trip was the existence of the Wallace line.

而在这一方面，他最终会被达尔文掩盖，他在那次旅行中的第二好的想法是“华莱士线”的存在。