WEPP水蚀模型WEPPwepron.我们We work against software patents我们反对软件专利We groped amidst the darkness.我们在黑暗中摸索。We shouldn't abuse our rights.We've slipped behind schedule.We cannot be over- vigilant.我们应该特别警惕。We trade with other countries.我们和其他国家做生意。We cannot permit such cruelty.我们不能允许这样的残酷行为。We breakfasted on the terrace.我们在阳台上吃早餐We cannot find latent dangers.我们无法发现潜在的危险。We always fulfill our promise.我们总是履行我们的诺言。