Radiostrontium
n. [化] 放射性锶
🗣️ 情景例句
Good morning. This is Huang Feng.
早上好，我叫黄凤。
How long does it take?
火车要开多久？
Look, Liz!Here's another report about Karen Marsh.
看啊，莉兹！这又有一篇关于卡伦。马会的报道。