Translation

1. 化学制品在农业上被广泛地、无区别地使用。(apply to)

2. 我们应该储存一些食物以应急。(lay down)

3. 这本书刚一出版，她就被卷入了争论的漩涡当中。(be caught up in)

4. 他的发明只有一项最终进入了市场。(find its way into)

教师解析

1)Chemical products are widely and indiscriminately applied in agriculture.

2)We should lay down some food for emergency.

3)When the book was first published, she was caught up in the whirlpool of controversy.

4)Only one of his inventions eventually found their way into the market.