Borosilicate flint
[机] 硼硅(酸盐)燧石
🧩 词语组成解析
[机] 硼硅酸盐
flint
[flint]
n. 燧石，火石;（打火机等的）打火石;
🗣️ 情景例句
She's on a diet these days.
这些天她在节食。
Be a man!
要像个男子汉！
and the more difficult it is, the more highly it is regarded.
他们认为， 道路愈艰险愈带劲儿。