boron
boron — 名詞
1. a dark, hard element (symbol B) that exists naturally only in combination with o
硼
一種化學元素，用於玻璃與鋼鐵
a dark, hard element (symbol B) that exists naturally only in combination with other substances and is used to strengthen glass, make detergents, and control reactions inside nuclear reactors
Borosilicate glass, which contains boron, resists high temperatures and is used in laboratory beakers.
含有硼的硼矽酸玻璃能承受高溫，常用於實驗室燒杯。
boron + borosilicate glass — common compound
Farmers add boron to the soil because many crops need it to grow well.
農民在土壤中加入硼，因為許多作物需要它才能長得好。
Tomás read about the discovery of boron in an old chemistry textbook.
Tomás 在一本舊化學教科書中讀到了硼的發現故事。
The scientist explained that boron is a key ingredient in some heat-resistant glass products.
那位科學家解釋說，硼是某些耐熱玻璃產品的關鍵成分。
be + key ingredient in — describing composition
Nuclear reactors use boron rods, which absorb neutrons and help control the power output.
核反應爐使用硼棒來吸收中子，協助控制發電功率。
- boron compound
- boron rod
- boron atom
- boron isotope
用法筆記
Uncountable in general use ('boron is added'), but countable in technical contexts referring to different forms or isotopes ('three borons were tested').
常見錯誤
同根字
- borax名詞B2
- borate名詞C1
- boric形容詞C1