重點講解：
1. suffer from 因疾病或處于其他不利境地而)受苦，受難，受折磨；
Many kids suffer from acne and angst.
許多年輕人都會受到青春痘和焦慮的困擾k8ou2gAm-Jx。
2. a suite of 一系列；
He has composed a suite of music for the film.
他為該電影配寫了一套樂曲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.
育種或基因改造可以增加動植物吸收氮的效率&|QHC8zC#q8A.l]。
4. extract from 提取；提煉；
He also makes his own beer out of hops, pine needles, yeast and malt extract from grains.
他還用啤酒花、松針、發(fā)酵粉以及從谷物中提取的谷芽兒自制啤酒HrE;|Isb3tzrWPBDT。