您要查找的是不是：
- It is a rare and delicate treasure. 这是一件难得的精美的珍品。
- It is a rare species and has high ornamental value. 本种是具有观赏价值的稀有种。
- It is a rare, but rather benign pulmonary edema. 它虽然罕见，却是个预后不错的疾病。
- It is a rare and delicate treasure . 这是一件难得的精美的珍品。
- Uranium is very valuable because it is a rare element. 铀很贵重，因为它是稀有元素。
- For fans of Williams it is a rare insight into a pop idol. 对于威廉斯迷来说，该书是一部罕见的、对流行偶像进行剖析的作品。
- It is a rare privilege to have an audience with a king. 受到国王的接见是件极为荣幸的事情。
- It is said that cholera is a rare hereditary disease. 据说，舞蹈症是一种具有家庭遗传性的罕见病症。
- It isn't a rare bird, just a common or garden sparrow. 那不是稀有的鸟，只不过是普通的麻雀。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- It is a rare opportunity to rub shoulders with the rich and famous. 这是个与富翁名人来往的难得机会。
- It is a nice song and I think it will catch on quickly. 这首歌很好，我想它会很快流行起来。
- It is a systematic attempt to strengthen our competitive ability. 那是为增强我们的竞争能力而作的有计划的努力。
- It is a barbarous way to extend territory by arms. 以武力扩张领土是一种野蛮的方式。
- It is a fact that I have written this sentence. 我写了这个句子是事实。
- It is a fact that must be faced up to. 这是必须正视的事实。
- It is a pity that you missed the party. 你未能参加聚会，真是遗憾。
- It is a leap in the process of cognition. 这是认识过程的一次飞跃。
- It is a matter of life and death for them. 这事对他们来说是生死攸关。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
