Bioactivity
n. 生物活性,生物活度( 指杀虫剂等对生物体的影响)
🗣️ 情景例句
and where do they report?
他们去哪儿报到？
The shortest answer is doing.
最简短的回答是做。
I know! smiled Lucy. They have steps, and they begin with L!
“我知道！”露茜笑着说，“它们有阶梯，并且这个单词是以L开头的！”