Barium flint
[机] 钡燧石
🧩 词语组成解析
barium
[['bɛəriəm]]
n. 钡\\n[化] 钡Ba
flint
[flint]
n. 燧石，火石;（打火机等的）打火石;
🗣️ 情景例句
Time moved at a snail's pace before the holiday.
假期之前时间过得非常缓慢。
On behalf of all the China National Packaging Import and Export Corporation employees invited tonight.
我代表被邀请的中国包装进出口公司全体员工。
where people first learned to write.
那里的人最早学会了写字。