Radioactive emanation
[医] 放射性射气
🧩 词语组成解析
n. 散发, 发出\\n[化] 射气
🗣️ 情景例句
So how has life changed since you left the army?
你离开军队后，生活过得如何？
A work ill done must be twice done.
未做好的活，需要重新做。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。