Upper-case letter
un. 大写字母
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
case
[kes]
n. （实）例，事例;情况，状况;诉讼（事件），案件，判例;容器（箱，盒）;
vt. 把…装入箱（或盒等）内;加盖于;包围，围住;[俚语]（尤指盗窃前）探察，侦查，窥测;
cas(to fall)+e→事件；事情；场合；状态；诉讼事件；患者
letter
['lɛtɚ]
n. 信;证书，许可证;字母，文字;字面意义;
vt. 用字母标明;写字母于;加标题;
vi. 写印刷体字母;
🗣️ 情景例句
I'm leaving for Beijing on a four-day tour.
我马上要去北京旅游4天。
No. You're going the wrong way. You want the Number 11. It stops in front of the post office.
不去。你乘错车了。你要乘11路。它在邮局门前停站。
From this we get the expression to make a beeline for someone or something, which means to go quickly along a straight direct course for someone or something.
从这里我们得到一条短语"to make a beeline for someone or something，意思是迅速地沿着一条直线向某人或某物走去。