Radioanalysis
放射性分析
🗣️ 情景例句
Thank you.
谢谢。
I plan to be here for over a year.
我计划在这里住一年以上。
We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders.
我们要十分感谢那些吃昆虫的鸟和兽，然而把它们所杀死的昆虫全部加在一起也只相当于蜘蛛所消灭的一小部分。