Delta ray
[电] σ射线
🧩 词语组成解析
delta
['deltə]
n. 希腊语字母表第四字母δ;（河流的）三角洲;[数]变量增量;
ray
[rei]
n. （热或其他能量的）射线;光束，光线;微量;伞形花序柄;
vt. 放射;照射;（思想，希望等）闪现;发光;
🗣️ 情景例句
I was just waiting for you to get home
我正等你回来，
Would you like me to take you around introduce you?
现在让我替你向大家作介绍好吗？
gravity is the force that drives them in a continual attempt to restore the ocean surface to a flat plain.
地球引力是持续不断企图使海面复原为平面的力量。