https://online2.tingclass.net/lesson/shi0529/0001/1132/sl20070522.mp3
https://image.tingclass.net/statics/js/2012
food chain食物鏈
There is no top to the food chain, as plants take nutrients from the strongest predators.
食物鏈并沒有盡頭,就像植物會(huì)從最強(qiáng)壯的肉食動(dòng)物身上攝取養(yǎng)分。
