Metals,Rare Earth
《英文msh詞典》Metals,Rare Earth
[主題詞] Metals,Rare Earth
[同義詞] Rare Earth Metals
[入口詞] Earth Metals,Rare
[中文釋義] 金屬,稀土
[英文釋義] A group of elements that include SCANDIUM,YTTRIUM; and the LANTHANOID SERIES ELEMENTS. Historically,the rare earth metals got their name from the fact that they were never found in their pure elemental form,but as an oxide. In addition they were very difficult to purify. They are not truly rare and comprise about 25% of the metals in the earth's crust.
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- pastorale n. （意）田園曲；牧歌式歌劇
- scrotum n. [解剖] 陰囊
- punnet n. 圓形淺底小籃
- layabout n. 懶漢；游蕩的人
- instruct vt. 指導；通知；命令；教授
- retrial n. 復審；復試
- sacrum n. [解剖] 骶骨；[解剖] 薦骨
- Montreux n. 蒙特勒（瑞士鎮名）
- discriminatory adj. 有辨識力的；差別對待的
- hobble n. 跛行步態 vt. 使跛行 vi. 蹣跚；跛行
- rail n. 鐵軌；扶手；橫桿；圍欄 vt. 鋪鐵軌；以橫木圍欄 vi. 抱怨；責罵
- runabout n. 流浪者；輕便小汽車；小型單座敞篷車 adj. 流浪的
- disavow vt. 否認，否定；抵賴；拒絕對…的責任
- clint n. [地質] 石芽；石灰巖巖脊；巖溝
- pendulous adj. 下垂的，懸垂的；搖擺的
- cofferdam n. 圍堰；潛水箱 vt. 修筑圍堰
- revetment n. 護岸；擁壁；被覆
- pitt n. 皮特（姓氏，特指英國政治家父子威廉姆斯皮特）；皮特鉆石（品牌名） abbr. 匹茲堡（Pittsburgh）
- cca abbr. 常規軍備委員會（Committee for Conventional Armaments）；加拿大建筑協會（Canadian Construction Association）；公用通信適配器（Common Communication Adapter）
- universal n. 一般概念；普通性 adj. 普遍的；通用的；宇宙的；全世界的；全體的
