Bioaccumulative
adj. 生物累积性的；生物体内积聚的
🗣️ 情景例句
Six months ago.
六个月以前。
You've inherited a large estate!
你继承了一大笔遗产嘛！
We should learn the value of money and learn how many hours' work has to be done before we can buy something.
我们应该认识到钱的价值，知道要干多少小时的活，我们才能买某件物品。