Pencil beam
[电] 铅笔形射束
🧩 词语组成解析
beam
[bim]
n. 梁，栋梁;束;光线;（电波的）波束;
vi. 发出光与热;面露喜色;
vt. 播送;以梁支撑;用…照射;流露;
vt.& vi. 笑容满面，眉开眼笑;发射电波，播送;放出束状的光（或热）;
🗣️ 情景例句
No. I really don't know how to go about it.
没有。我真不知道如何填。
You know that some countries are selling this kind of products at cheap prices in large quantities.
您知道有的国家对这种商品正在削价抛售。
What are you doing?
你在干什么呢？