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
This is he speaking.
我就是。
He never breaks his word.
他决不食言。
Excuse me, Miss Yang. I've just found this library book.
“打搅了，杨小姐。我刚刚捡到这本图书馆的藏书。”