Percussion cap
雷管\\n[化] 火帽
📖 牛津释义
percussion cap
(also cap), small metal or paper device containing explosive powder, which explodes when struck 发火帽; 雷管.
🧩 词语组成解析
cap
[kæp]
n. 盖;帽子;军帽;求交运算;
vi. 脱帽致意;
vt. 覆盖;给…戴帽;
abbr. Common Agricultural Policy （欧共体）共同农业政策;
cap 表示”头”,”首要的”
🗣️ 情景例句
It's a great opportunity for you, Harry.
这对你是个大好机会， Harry。
We have an extended warranty available at extra cost.
对于额外价钱我们有较长的保证期限。
Is it in one of your pockets ?
那张纸在你的口袋里吗？