Radioactive nuclide
[化] 放射性核素
🧩 词语组成解析
n. 核素\\n[化] 核素
🗣️ 情景例句
which has been vacant for over a year now,
已空了一年多，
What do you want?
干嘛？
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。