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
Don't get fresh with me!
别碰我。
Their stories are in conflict with each other.
他们的叙述相互矛盾。
Squeezing through a cleft in the rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.
洞穴探险者从岩石缝里挤身过去，来到一个巨大的洞里，其大小相当于一个音乐厅。