Nonradiogenic
非放射产生的
🗣️ 情景例句
I've been looking forward to meeting you.
我一直盼望能有幸认识你。
Which one is more difficult?
哪一个是比较难的？
She walked slowly into the hall and at once noticed that all the room doors were open,
她慢慢地走进前厅，立即发现所有的房门都敞开着，