重点讲解：
1. suffer from 因疾病或处于其他不利境地而)受苦，受难，受折磨；
Many kids suffer from acne and angst.
许多年轻人都会受到青春痘和焦虑的困扰k8ou2gAm-Jx。
2. a suite of 一系列；
He has composed a suite of music for the film.
他为该电影配写了一套乐曲V[([@bx@=A-hze。
3. take up 吸收；
Breeding or genetic modification could increase the efficiency with which animals and plants take up nitrogen.
育种或基因改造可以增加动植物吸收氮的效率&|QHC8zC#q8A.l]。
4. extract from 提取；提炼；
He also makes his own beer out of hops, pine needles, yeast and malt extract from grains.
他还用啤酒花、松针、发酵粉以及从谷物中提取的谷芽儿自制啤酒HrE;|Isb3tzrWPBDT。