Delta rays
[医] δ[射]线(α粒子在气体所产生的β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;
n. 射线；[俚]日光浴；光线（ray的复数）
🗣️ 情景例句
When I think something is right, I will stick to that.
若我认为某件事是对的，我会坚持到底。
Yes, I guess that would be all right.
行，我想没问题。
Thanks.The same to you. Bye.
谢谢。也祝你旅途愉快！