Nonradioactive
n. 非放射性
??? 情景例句
I think we'll cook dinner together.
我想， 我們一起做晚餐了。
Joys shared with others are more enjoyed.
與眾同樂，其樂更樂。
Which speech are you going to listen to this afternoon?
今天下午你準備去聽哪個報告？