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
John proposed marriage to Helen.
绚翰向沦论求婚。
Here is our contract.
这是我们的合同。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。