Staple gun
n. （把钉书钉或U形钉打进坚实物料的）钉枪
🧩 词语组成解析
staple
['stepl]
n. 主要产品;钉书钉，U 形钉;主题，主要部份;主食;
vt. 用钉书钉钉住;
adj. 最基本的，最重要的;
gun
[ɡʌn]
n. 枪;发令枪声;受雇杀人的枪手;喷射器;
vt. 射击（某人）;给…加大油门;打猎;
vi. 用枪打猎;
🗣️ 情景例句
We aren't going, for the simple reason that we can't afford it.
我们不去，原因很简单，我们负担不起。
Donald has become incensed at his friends for being so unkind.
唐纳德因为他的朋友太不客气，所以被激怒了。
Just now we all watched you sign to show that you had received the cheque.
刚才我们大家都观察到了你为表明已收到那张支票而签名。