Radiolabeled
v. 用放射性同位素给…示踪或做标记( radiolabel的过去式和过去分词 )
🗣️ 情景例句
Different kinds of activities, such as commenmorative meetings, planting trees,
举行各种各样的活动，例如召开纪念大会，植树造林，
He can't dress himself yet because he's too young.
他还不能给他自己穿衣服因为他是太年轻的。
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。