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
How much do I owe you?
我应付你多少钱？
I don't feel very well.
我觉得不太舒服。
That's right. Catch a cold is something you do; have a cold is something you have.
对。“伤风”是你所做的事情；而“患感冒”则是你所经历的事情。