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
Sure, if you had it towed here to the garage, we could get right on it.
当然能。您把车拖过来的话，我们马上就修。
To be virtuous is to do good.
行善是美德。
The flames threw light onto the ceiling of the cave.
火焰照亮了山洞的顶部。