We start with Karl and then, because Karl made a landfall a couple of hours ago on the Yucatan Peninsula as a very strong tropical storm.
我们先来看一下Karl，因为Karl几个小时前在尤卡坦半岛以热带风暴的形式登陆。
2
The classification of landfall and the quantitative evaluation of their stability have always been the problems that receive concern from engineering geologists.
崩塌分类及其稳定性的定量评价是工程地质工作者一直关注的问题。
3
The sea may rise or the land may fall; either way the sand dunes will be gone in a short time.