actinoid

actinoid的音标是[ˈæktɪnəʊɪd]，基本翻译是“锕系元素”。速记技巧：把“actinoid”拆开为“acti”（谐音“锕系”）和“noi”（谐音“元素”）。

Actinoid这个词来源于希腊语词根actinos，意为“光”。它的变化形式包括名词actinoid，形容词actinoidal，副词actinoidly。

相关单词：

actinic：与actinoid相关的，表示有光辐射的。

actinoid element：锕系元素，是一类具有放射性的金属元素。

actinide：锕系元素的总称，也指这些元素。

actinometry：测量光辐射强度的技术。

actinogenesis：放射性核素产生的生物效应。

以上这些单词都与放射性、光辐射、原子结构等有关，体现了actinoid这个词在科学和工程技术中的广泛应用。

常用短语：

1. actinoid element - 锕系元素

2. actinoid series - 锕系系列

3. actinoid series elements - 锕系系列元素

4. actinoid nuclide - 锕系核素

5. actinoid-containing - 含锕系的

6. actinoid-rich - 含锕量高的

7. actinoid-bearing - 含锕的

双语例句：

1. The actinoid series elements are known to have high radioactivity and unique chemical properties.

人们已知锕系元素具有高放射性和独特的化学性质。

2. The actinoid series nuclides are used in nuclear reactors and other applications.

锕系核素被用于核反应堆和其他应用中。

3. Actinoid-containing substances are used in the production of radiation detectors and other devices.

含锕物质用于辐射探测器和其他设备的生产。

4. Actinoid elements are used in the development of new materials with enhanced properties.

锕系元素用于开发具有增强性能的新型材料。

5. The actinoid series nuclides are considered to be long-lived radioactive waste.

锕系核素被认为是长期存在的放射性废物。

6. The actinoid-rich ore is a valuable resource for the production of nuclear energy.

含锕量高的矿石是生产核能的有价值资源。

7. Actinoid-bearing substances are used in the treatment of diseases caused by radiation exposure.

含锕物质用于辐射暴露引起的疾病的治疗。

英文小作文：

Actinoids are a group of elements that are unique in their chemical and physical properties. These elements are known for their high radioactivity and unique chemical behavior, which makes them an essential part of modern science and technology. From the development of new materials to the treatment of diseases caused by radiation exposure, actinoids have played a crucial role in many fields of science and technology. However, actinoids also pose a significant threat to the environment and human health due to their long-lived radioactive decay products. Therefore, it is crucial to ensure proper waste management and disposal of actinoid-containing substances to minimize the risks posed to the environment and human health.