Firing pin
撞针; 击针
🧩 词语组成解析
n. 烧毁, 焚烧, 加热, 添煤\\n[计] 点火
pin
[pin]
n. 钉;别针，扣针，饰针;大头针;没价值的东西;
vt. 压住;（用钉等）钉住，钉住，别住，扣住;用障壁等)围住，关住（俚语）抓住;[军]牵制;
adj. 针的;钉的;销的;大头针的;
🗣️ 情景例句
Hello, who's speaking, please?
喂， 谁在讲话？
A penny saved is a penny earned(or gained).
省钱就是赚钱。
but since the porter agreed with him,
但既然看门人也同意他的意见，