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by 1991 before decreasing to only 9% by the end of the period. The consumption of chicken showed an upward trend, exceeding that of lamb in 1980. .: The spending on research and development soared to million pounds in 1990. .: The average price of tennis racquets plummeted to 79 pounds in 1990. .: Households that consisted of only one parent or a single adult were less likely to be poor. 3 8. 穩(wěn) 定在一個(gè)水平上: Level off at Stabilise at Level out at Reached a plateau at Hover at Remain stable at 9. 波動(dòng): Fluctuate v. Fluctuation n. Fluctuate between… and… 10. 經(jīng)歷了某種變化 : See Experience witness 11. 到達(dá)最高點(diǎn): Peak at v. Reach the peak at v./n. Reach the highest point at 12. 到達(dá)最低點(diǎn): Reach the bottom at n. Bottom out at v. The lowest point at 13. 到達(dá)多少數(shù)量: Reach Hit Arrive at Register Amout to Stand at 14. 占多少(后面跟 %百分?jǐn)?shù)或者數(shù)字): Account for Make up Represent Occupy Constitute 15. 預(yù)測(cè): Expect Predict Project 常用被動(dòng): A is expected/projected/predicted to reach .: Its consumption levels remained stable at around 14% over the three decades. .: In spite of some fluctuations in the expected percentages, the proportion of older people will continue to rise in the next two decades. .: The cost of f