科学家们以前见过这种类似狼的生物，但这种个头骨（与之前的）有所不同。
Scientists had seen this wolf-like creature before, but this skull was different.
随着科学技术的进步，现在的救灾援助工作要比以前更容易一些。
With advances in technology, giving to relief efforts is easier than ever before.
原因仅仅是以前确定的许多亚物种被科学家重新归类为新物种。
It is because a lot of established subspecies have been reclassified as species.
管理学不同于法学，不是一门以前例为依据的科学。
Management, unlike law, is not a science based on precedent.
很久以前科学家就知道电流是能的一种形式。
站在科学宫的楼顶，学校看起来比以前更漂亮了。
Seen from the top of the science building, the school looks more beautiful than before.
站在科学宫的楼顶，学校看起来比以前更漂亮了。
Seen from the top of the science building, the school looks more beautiful than before.
应用推荐