Radioactive potassium
[医] 放射性钾, 射钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
🗣️ 情景例句
No. Please endorse the check at the back.
不会的。请在支票的背面签名。
The adventure had been planned for quite a while.
那项冒险曾经作了长期的周详计划。
No! But the children are not alone. There are some animals on the island.
没有！但岛上并非只有孩子们。岛上还有一些动物。