beryllium
beryllium — 名詞
1. a silver-grey metallic chemical element (symbol Be) that is very light and stron
鈹
一種輕質銀灰色金屬化學元素
a silver-grey metallic chemical element (symbol Be) that is very light and strong. It is mixed with other metals to make them harder, but its dust is poisonous if breathed in.
Beryllium is lighter than steel yet very strong, and is used in aircraft parts.
鈹比鋼輕但非常堅固，常用於飛機零件。
uncountable noun — element name, no article
The Watanabe laboratory developed a new beryllium-copper alloy for deep-sea drilling equipment.
Watanabe 實驗室開發出一種新的鈹銅合金，用於深海鑽探設備。
compound modifier: beryllium-copper
Workers who handle beryllium must wear masks because the fine dust damages their lungs.
處理鈹的工人必須戴上口罩，因為細微的粉塵會損害肺部。
Beryllium occurs naturally in gemstones such as emeralds and aquamarines.
鈹自然存在於祖母綠與海藍寶石等寶石中。
Because beryllium lets X-rays pass through it, the metal is used in medical imaging machines.
由於鈹能讓Ｘ光穿透，這種金屬常用於醫療影像設備。
用法筆記
Beryllium is an uncountable (mass) noun — you cannot say 'a beryllium' or 'berylliums'. It is referred to with the singular pronoun 'it'.