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

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.