gallium

IPA/ˈɡæliəm/
KK[ɡˈæliəm]IPA/ˈɡæliəm/

gallium — 名詞

1. a soft silvery metal that is a chemical element (symbol Ga) with a very low melt

1.名詞B2
釋義

化學元素Ga,低熔點軟金屬

a soft silvery metal that is a chemical element (symbol Ga) with a very low melting point, making it useful in electronics and high-temperature thermometers

例句

Henry showed his science class how gallium turned into a liquid in his warm hand.

Henry 在自然課上向全班示範鎵如何在溫暖的手中化為液體。

demonstrates low melting point ~30°C

The electronics factory uses gallium to make LEDs for smartphone screens.

這間電子工廠使用鎵來製造智慧型手機螢幕的LED。

gallium used in LEDs

常見搭配
  • gallium arsenide
  • gallium nitride
  • gallium melts
  • gallium expands
  • gallium compound

用法筆記

Gallium is safe to handle with bare hands, unlike mercury. Its low melting point (about 30°C) means a small piece can melt from the warmth of your palm.

常見錯誤

Gallium is a toxic metal like mercury.
Gallium is safe to touch with bare hands.
gallium is non-toxic and safe to handle, unlike mercury.

同根字

  • gallate
    名詞C1
  • gallane
    名詞C2
  • gallic
    形容詞C2

常見搭配

名詞搭配

  • gallium arsenide
  • gallium nitride
  • gallium compound
  • gallium sample

常用片語

  • melting point of gallium
  • gallium in semiconductors