When we dredge the bottom and bring up the remains of animal and vegetable life we find that they give evidence of not having been disturbed in the least, for hundreds and thousands of years.
从海底里捞起来的动植物的遗迹，能对我们证明：它们在海底里数百年数千年之久，从来没有受到丝毫扰动过。
2
Pesticide remains result from pesticide nature and its operating methods. Excess pesticide remains do great harm to people's health, affect vegetable production and export trade.
农药残留的产生与农药性质、使用方法有关，农药超标危及身体健康、影响蔬菜生产和出口贸易。
3
"The domestic supply situation remains rather critical for vegetable oils," it said.