Directional beam
[电] 定向射束
🧩 词语组成解析
directional
[[di'rekʃənəl]]
a. 方向的
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
What'll the weather be like tomorrow?
明天的天气怎么样？
He who is afraid of asking is ashamed of learning.
害怕问者耻于学。
and makes them resolve that in future they will not talk to their parents about the places or people they visit.
决心以后不再向父母讲述去过的地方和见过的人。