常用詞匯

　　上升：increase, rise, ascend, surge, go up, climb

　　下降: decrease, fall, drop, descend, decline, reduce, lessen

　　平穩(wěn):stable, steady, remain the same as

　　波動:fluctuate, fluctuation

　　占:occupy, take up, account for

　　而:while, however, whereas, on the other hand, actually/in fact

　　相比:by contrast, on the contrary, compared with

　　最高點:the highest, the top, the summit, the peak

　　最低點:bottom, less, rock bottom

　　趨勢:tendency, trend, inclination

　　預(yù)見:prediction, predict

　　達(dá)到頂峰: reach the top

　　由…組成：consist of/be made up of /be composed of

　　表示數(shù)據(jù)變化的單詞或者詞組

　　rapid/rapidly　迅速的，飛快的，險峻的

　　dramatic/dramatically　戲劇性的，生動的

　　sharp/sharply　銳利的，明顯的，急劇的

　　steep/steeply　急劇升降的

　　steady/steadily　穩(wěn)固的，堅定不移的

　　gradual/gradually　漸進(jìn)的，逐漸的

　　slow/slowly　緩慢的，不活躍的

　　stable/stably　穩(wěn)定的