They use other chemicals to kill the insect pests that attack the plants.

他们还会用其他化学物质杀死攻击作物的害虫。

Iranian authorities say multiple drones have been used to attack a military plant in the country's central city of Isfahan.

伊朗当局称，伊朗中部城市伊斯法罕的一家军事工厂遭多架无人机攻击。

If bugs are attacking, plants can release special chemicals that yell to other bugs nearby, " Please come eat whatever's eating me."

如果有虫子来攻击，植物会释放出特殊的化学物质，向附近的其他虫子大喊：“请来吃正在吃我的这玩意。”

Some people erect barricades to keep small animals from attacking the plants.

有些人竖起路障以防止小动物攻击植物。

Tornadoes are more likely in this area.Parasites can attack plants and threaten their survival.

该地区更有可能发生龙卷风。寄生虫会攻击植物并威胁其生存。

Even prehistoric killers like Deinonychus and Tyrannosaurus Rex know that no matter how many tools they have at the ready, attacking plant eaters is risky business.

甚至史前最凶猛的恐爪龙以及雷克斯霸王龙都知道，无论它们准备了多少狩猎工具，袭击食草动物还是有很大风险的。