276. 溫室效應(yīng) green-house effect

277. 沙漠化 desertification

278. 過度放牧 overgrazing

279. 過度捕魚 over-fishing

280. 濫砍亂伐 clear-cutting

281. 退耕還林 return cultivated land to forest

282. 沙塵暴 sand storm

283. 生態(tài)危機(jī) ecological forest

284. 破壞生態(tài)平衡 destroy / upset the ecological balance

285. 自然保護(hù)區(qū) nature reserve

286. 環(huán)境綠化 environmental greening

287. 禽流感 bird flu

288. 瘋牛病 mad cow disease/ BSE

289. 口蹄疫 foot-and-mouth disease

290. 非典 severe acute respiratory syndrome (SARS)

291. 偷稅﹑騙稅 tax evasion and tax fraud

292. 掃黃打非 eliminate pornography and illegal publications

293. 嚴(yán)打斗爭 strike-hard campaign

294. 公正合理的國際政治經(jīng)濟(jì)新秩序

a new and rational new international political and economic order

295. 外交紛爭 diplomatic disputes

296. 維護(hù)世界和平 safeguard world peace

297. 國際慣例 international common practice

298. 民族分裂主義 ethnic separatism

299. 宗教極端主義 religious extremism

300. 世界的基本格局 basic world pattern