terbium

IPA/ˈtɜːbiəm/
IPA/ˈtɜːrbiəm/

terbium — 名詞

1. A soft, silver-grey metal from the rare-earth group of chemical elements. Manufa

1.名詞C1
釋義

鋱

一種稀土金屬元素

A soft, silver-grey metal from the rare-earth group of chemical elements. Manufacturers add tiny amounts of terbium to give a green colour to television screens, computer displays, and energy-saving lamps, and to build laser equipment.

例句

The green pixels in a modern television screen use terbium to create their colour.

現代電視螢幕中的綠色像素使用鋱來產生顏色。

uncountable noun + use + to-infinitive for purpose

Dr. Okonkwo's laboratory ordered high-purity terbium for the laser experiment.

Okonkwo 博士的實驗室為雷射實驗訂購了高純度鋱。

常見搭配
  • terbium compound
  • terbium phosphor
  • terbium oxide
  • terbium-based
  • high-purity terbium
  • a small amount of terbium

文法句型

terbium + noun (e.g. terbium compound, terbium phosphor)

用法筆記

As an uncountable noun, terbium does not have a plural form and is not used with a or an. Quantities are expressed with grams, kilograms, or phrases such as a small amount of terbium.

常見錯誤

The screen contains a terbium.
The screen contains terbium.
Terbium is uncountable and does not take the article a.
Terbium are a rare-earth element.
Terbium is a rare-earth element.
As an uncountable noun, it takes a singular verb.

常見搭配

名詞搭配

常用片語

  • a small amount of terbium
  • high-purity terbium
  • terbium-based material