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metalloids

/ˈmɛtəlɔɪdz/

Meanings
noun

类金属，准金属

An element, such as silicon or germanium, intermediate in properties between that of a metal and a nonmetal; especially one that exhibits the external characteristics of a metal, but behaves chemically more as a nonmetal.

Examples :

"Silicon, germanium, and arsenic are examples of metalloids, elements used in electronics because they can sometimes conduct electricity like metals and sometimes block it like nonmetals. "
硅、锗和砷是类金属的例子，它们是一些用于电子元件的元素，因为它们有时像金属一样导电，有时又像非金属一样阻断电流。
element material substance chemistry science
noun

类金属，准金属

The metallic base of a fixed alkali, or alkaline earth; applied to sodium, potassium, and some other metallic substances whose metallic character was supposed to be not well defined.

Examples :

"The metalloids in the chemical experiment were difficult to identify precisely because their metallic properties were somewhat unclear. "
化学实验中的类金属很难精确辨认，因为它们的金属性质有些不明确。
element chemistry substance material

Related Words

Illustration properties

properties noun

/ˈpɹɒpətiz/ /ˈpɹɑpɚtiz/

财产，资产。

"Important types of property include real property (land), personal property (other physical possessions), and intellectual property (rights over artistic creations, inventions, etc.)."

重要的财产类型包括不动产（土地），个人财产（其他实体物品）和知识产权（对艺术创作、发明等的权利）。

Illustration nonmetals

nonmetals noun

/ˌnɑnˈmɛtəlz/ /ˌnɑnˈmɛtəls/

非金属，非金属元素。

"In science class, we learned that nonmetals like oxygen and sulfur are very different from metals like iron and copper. "

在科学课上，我们学到像氧气和硫磺这样的非金属与像铁和铜这样的金属非常不同。

Illustration experiment

experiment noun

/ɛk.ˈspɛ.ɹɪ.mənt/ /ɪk.ˈspɛɹ.ə.mənt/

实验，试验

"The science teacher conducted an experiment to demonstrate how plants grow in different types of soil. "

科学老师做了一个实验，来展示植物在不同类型的土壤里是如何生长的。

Illustration especially

especially adverb

/əˈspɛʃ(ə)li/

特别，尤其。

"My sister is very helpful, especially when it comes to organizing things. "

我妹妹很乐于助人，尤其是在整理东西方面。

Illustration electronics

electronics noun

/ɪˌlɛkˈtrɑnɪks/ /ˌɛlɛkˈtrɑnɪks/

电子学，电子技术

"Electronics is a popular subject."

电子学是一门很受欢迎的学科。

Illustration sometimes

sometimes adjective

/ˈsʌmtaɪmz/

以前的，之前的。

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

我以前的邻居，一位退休教师，偶尔还会去学校看看。

Illustration intermediate

intermediate noun

/ɪntə(ɹ)ˈmidi.ət/ /ˌɪntɚˈmidi.ət/

中间物，媒介。

"The intermediate level of Spanish class is a good fit for students who already know some basic vocabulary. "

中级西班牙语课程非常适合已经掌握了一些基本词汇的学生。（这里“中级”对应“intermediate level”，可以理解为处于初级和高级之间的阶段，即“中间物/媒介”的一种体现）

Illustration substances

substances noun

/ˈsʌbstənsɪz/ /ˈsʌbstənzɪz/

物质，材料，东西。

"The science class experimented with different substances to see how they reacted to heat. "

科学课用不同的物质做实验，观察它们对热的反应。

Illustration germanium

germanium noun

/dʒɚˈmeɪni.əm/

锗 (zhě)

"Engineers use germanium in some types of semiconductors and electronic devices. "

工程师们在某些类型的半导体和电子设备中使用锗 (zhě)。

Illustration chemically

chemically adverb

/ˈkɛmɪkli/ /ˈkɛmɪkəli/

化学地，用化学方法。

"The stain was chemically removed from the shirt using bleach. "

这件衬衫上的污渍是用漂白剂通过化学方法去除的。

Illustration electricity

electricity noun

/ɪˌlɛkˈtɹɪsɪti/ /iˌlɛkˈtɹɪsɪti/

电力，电。

"The electricity bill was unusually high this month, likely due to the many electronics running in the house. "

这个月的电费异常高，可能是因为家里很多电器都在运行。

Illustration characteristics

characteristics noun

/ˌkæɹəktəˈɹɪstɪks/ /ˌkɛɹəktəˈɹɪstɪks/

特点，特征。

"One of the main characteristics of a golden retriever is its friendly personality. "

金毛寻回犬的主要特点之一就是它友好的性格。