The RIM program encourages farmers to keep farming their productive land but sell the marginal land that's susceptible to soil and water erosion.

该项目鼓励农民保证粮食产量同时，将易受水土侵蚀边际土地卖。

Cannonballs smashed through timbers weakened by nearly a year at sea.

上漂泊近一年后，船体因长期受水侵蚀而变得脆弱，炮弹轻易地穿透了这些不堪一击木板。

In Washington, protesters from the city and elsewhere are demonstrating against what they say are assaults on the U.S.'s democratic institutions, against trade tariffs, the firings of federal employees, and executive actions cracking down on immigration, among other issues.

华盛顿，来自该市及其他地区抗议者正示威，他们反对一系列问题，包括他们所美国民主制度受侵蚀、贸易关税、联邦雇员解雇以及政府对移民严厉打击等。

The weight on the wheels on the lower slope and the track depth are significantly reduced, making it suitable for use during heavy rains or in areas prone to erosion.

下坡路段， 轮子压力和履带深度显着降低，使其适合大雨或易受侵蚀区域使用。

Each has been eroded by water over millions of years...

每一个都是几百万年间受流水侵蚀而成。