They feared a new cholera pandemic...他们担心新一轮的霍乱大流行。One pandemic of Spanish flu took nearly 22 million lives worldwide.西班牙流感的大爆发夺去了全球近2,200万人的生命。Dr. DeLay cautioned countries to maintain against resurgent pandemic.戴雷尔告诫各国...
Many of Polygonaceae are noxious weeds , some ornamentals , and buckwheat ( Fagopyrum ) and rhubarb ( Rheum ) foodstuffs .少数可食, 如 荞麦 和大黄;有一些是 观赏植物.Numerous plant species, often crop plants or ornamentals, have been trans...
Europe gave them away, which allowed polluters to make windfall profits.欧洲无偿发放配额, 结果却让排污企业赚得盆满钵满.Three hours later we are back in the kitchen hulling a heaping buggyload of windfall pecans.三小时后我们回到了厨房，开始给那满满一车风吹自落的山核桃去核。...