Nonradioactive
n. 非放射性
🗣️ 情景例句
My father likes going fishing and hunting in his spare time.
我父亲喜欢在业余时间钓鱼和打猎。
Do you have my pencil?
你拿了我的铅笔吗？
Members of the press weren't allowed into the meeting.
新闻记者不得进入会场。