Delta-rays
[医] δ-[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;
n. 射线；[俚]日光浴；光线（ray的复数）
🗣️ 情景例句
I have a new puppy and he has an excellent temperament.
我有只新的小狗，它的脾气很好。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
We are prepared to reconsider amending the contract.
我们可以重新考虑修改合同。