| 例句 |
Pollution is affecting many creatures lower down the food chain.污染正影响着食物链下层的许多生物。The effect was to disrupt the food chain, starving many animals and those that preyed on them.其结果就是破坏食物链，使很多动物和那些以捕食它们为生的动物饿死。Every animal in the food chain draws nourishment from other animals or plants.食物链中的每一种动物都从其他动物或植物中获取养分。The whole food chain is affected by the over-use of chemicals in agriculture.整个食物链都因农业生产中化学品过度使用而受到影响。Pollution is getting into the food chain.污染正在侵入食物链。The oil spill has killed off billions of microscopic sea plants, thus threatening marine life further up the food chain.溢油使无数微小的海洋植物大量死亡，从而对食物链中上层的海洋生命构成了威胁。The whole food chain is affected by the overuse of chemicals in agriculture.农业生产中化学药品的过度使用使整个食物链都受到了影响。Antibiotics used for treating cattle could get into the food chain.用于治疗牛的疾病的抗生素可能会进入食物链。Sharks eat fish that are lower in the food chain.鲨鱼以处于食物链较低层的鱼为食。The whole food chain is affected by the over use of chemicals in agriculture.整个食物链因农业中过度使用化学物质而受到影响。Plankton is at the bottom of the marine food chain.浮游生物处于海洋食物链的最底层。Pesticides destroy insects that are an important part of the food chain for several species of songbird.农药把对于一些种类的鸣禽来说是食物链中重要一环的昆虫消灭了。 |