185. derive…from(=obtain…from)从…取得,由…来的.derive from(=come from)起源于
184. deprive sb. of sth. 剥夺某人某物
183. be dependent on 依靠
182.in demand有需求;on demand受到要求时
181. demand sth. of sb. 向某人要求(非物质的)东西. demand sth. from sb. 向某人要求(物质的)东西
180. take (a) delight in 喜欢干…, 以…为乐
179. delight in(=take great pleasure in doing sth.)喜欢, 取乐
178. to one’s delight 令某人感到高兴 to one’s regret 遗憾; sorrow悲痛; relief 安心; distress 苦恼; shame羞愧; surprise 惊奇; astonishment 惊奇;
177. on the decline 在衰退中, 在减少中 in decline 下降; on the increase 在增加
176. be in debt to sb. 欠…的债