1.be about to 即将

The president is about to wind up his visit to Somalia.

总统即将结束对索马里的访问]2vAVdvK~Q6Tc~c#*B=A。

2.cartography 制图

Academics came up with the startling images after throwing away 500 years of conventional cartography.

学者们抛弃了500年的传统制图法，绘制出了惊人的图像afcG@&Z|sV*t8o6kTP。

3.a fool's errand 徒劳的任务

Even in quiet times, predicting the paths of exchange rates is a fool's errand.

即便在市场平稳的时候，预测汇率走势也是一件费力不讨好的事pVUCC*lpoh。

4.sea floor 海床

The valley itself is slowly sinking, and millions of years from now it will rest on the sea floor.

裂谷本身也在缓慢沉陷，几百万年之后就会成为新的海床4r=f*X3NTuoHYw^#RF。