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
Advice doesn't normally come cheap, but this piece is for free...
通常来说，忠告都是价值不菲的，但这个是免费赠送的。。。
Thank you for your attention.
谢谢大家专心聆听。
This is a good example of his poetry.
这是他诗作的一个好例子。