valuable

• Glass is proving to be very valuable substance in the modern world .
  玻璃正日益成为现代世界的一种极为宝贵的材料。
• She did feel, however, that it was too valuable to be neglected .
  不过无论如何，她觉得这个办法很有价值，不容忽视。
• And you've since been recovering other valuable stores, including mines .
  而且你还一直搞回其他有用的东西，包括水雷。
• This is wasteful because it deprives the soil of valuable nutrients .
  这是一种浪费，因为它夺走了土壤的有价值的养料。
• The subject will be a dynamic and valuable tool to the person who learns to use it .
  这将对想学习使用它的人有所俾益。
• Animals became a valuable source of mechanical as well as nutritional energy .
  动物成为一种有价值的机械和营养能的来源。
• I condole with you. we have lost a most dear and valuable relation .
  我向你表示唁慰。我们失去了一位最可爱的、最可贵的亲人。
• We were monthly losing ships, including valuable tankers, by the score .
  我们每月所损失的船只，包括昂贵的油船在内，难以数计。
• It is accepted by progressive farmers as one of our most valuable grazing species .
  它被一些进步的牧场主视为一种最宝贵的饲料。
• I advise you to learn, for german is a valuable accomplishment to teachers .
  我劝你继续学下去，因为对教师来说，德语是一门很重要的学问。