•

　　about thirty percent

　　常见释义：

　　大约百分之三十.

　　1、thirty degrees ─── 三十度

　　2、percent of ─── 百分比

　　3、thirty ─── adj.三十个的；num.三十；n.三十年代

　　4、nlne percent ─── nlne百分比

　　5、about thirty ─── 大约三十岁

　　6、cumulative percent ─── 累计百分比

　　7、four thirty ─── 430

　　8、thirty madison ─── 麦迪逊三十号

　　9、valid percent ─── 有效百分比

　　1、The room rate for this hotel is

　　about thirty percent

　　lower than the others in its class. ─── 这间旅馆房间的价格跟同等级的其他旅馆相比大约低了百分之三十。

　　2、Only

　　about thirty percent

　　succeed in earning enough from their efforts to continue day trading. ─── 只有大约30%的人能从他们的不懈努力中成功赚够继续进行日交易的钱。

　　3、A new study warns that

　　about thirty percent

　　of the worlds people may not have enough water by the year 2025. ─── 一项新的研究结果提出警告：到2025年，世界上将有30%的人没有足够的水饮用。

　　4、

　　About thirty percent

　　of Americans buy policies to cover unexpected problems when they travel. ─── 有近30%的美国人购买了保险单，以应对旅行遭遇的无法预估的意外。

　　5、Areas near the top of the mountain have only

　　about thirty percent

　　of the oxygen found at sea level. ─── 靠近山顶的地方只有约百分之三十的氧气在海平面发现。

　　6、

　　About thirty percent

　　of the countrys children were malnourished. ─── 该国大约百分之三十的孩子都营养不良。

　　7、The 13)Plateau covers

　　about thirty percent

　　of the countrys surface area, but is home to two thirds of the population. ─── 瑞士高原覆盖了全国面积大约百分之三十，却聚集了全国三分之二的人口。

　　About thirty percent of the countrys children were malnourished.