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metalloid

/ˈmɛtəlɔɪd/

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, a metalloid, is used in making computer chips because it conducts electricity better than a nonmetal but not as well as a metal. "
硅是一种类金属，它被用于制造电脑芯片，因为它的导电性能比非金属好，但不如金属。
element chemistry material substance 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 :

"Because early chemists weren't sure about its properties, sodium was once referred to as a metalloid. "
因为早期化学家不太确定钠的性质，所以钠曾经被称为“类金属”(lei jin shu)。
element substance chemistry

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 metalloids

metalloids noun

/ˈmɛtəlɔɪdz/

类金属，准金属

"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。

Illustration semiconductor

semiconductor noun

/ˌsɛmikənˈdʌktər/ /ˌsɛmaɪkənˈdʌktər/

半导体，半导体材料

"The computer chip relies on semiconductors to conduct electricity efficiently. "

电脑芯片依靠半导体来高效地导电。

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 atmosphere

atmosphere noun

/ˈæt.məsˌfɪə(ɹ)/ /ˈætməsˌfɪɹ/

大气层，大气。

"The atmosphere was thick with the smell of popcorn, as the kids gathered for the movie night. "

孩子们聚集在一起准备看电影，空气中弥漫着浓浓的爆米花味儿，仿佛置身于一个爆米花大气层中。

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 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 characteristic

characteristic noun

/ˌkæɹəktəˈɹɪstɪk/ /ˌkɛɹəktəˈɹɪstɪk/

特点，特征。

"The characteristic smell of freshly baked bread always reminds me of my grandmother's kitchen. "

新鲜出炉的面包那种独特的香味总是让我想起我奶奶的厨房。

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 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。