1.packs of 大量的;成群的
Condors wheeled overhead. Packs of wild llama were dotted around, heads popping up like periscopes at the sound of my approaching bike.
禿鷹在頭頂上盤旋,四周有成群的野駱駝,伸出頭來像一架架潛望鏡偵聽著我摩托車越來越近的引擎聲。
2.be after 尋求;追趕
I know what you are after.
我知道你在追求什么。
3.be separated from 與...分開
The Animal is part of the nature and cannot be separated from human. Human must keep the ecology balance if he wants a happy life.
動物是自然的一部分,與人不能分離,人類要生活好,必須保持生態平衡。