Delta-rays
[醫] δ-[射]線
?? 詞語組成解析
delta
['delt?]
n. 希臘語字母表第四字母δ;（河流的）三角洲;[數]變量增量;
n. 射線；[俚]日光浴；光線（ray的復數）
??? 情景例句
I have room reserved.
我已訂了房。
Certainly. And we also have test results that we're sure you'd be interested to see.
當然，同時我們也有測試結果，我們相信你們會有興趣看的。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他們知道了鉆透那堅硬的巖石有多么困難，他們會喪失信心的。