Copper fulminate
[建] 雷酸铜
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
🗣️ 情景例句
But there's the old community center on Elm Street.
但是在Elm街有一个旧的社区中心。
The wind was so strong last night that it blew down that tree.
昨晚的风强劲到刮倒了那棵树。
Nobody! She taught herself.
没有人（教）！她是自学的。