口头之言便捷，但缺乏持久性。The spoken word is immediate but lacks permanence.人们观察到植物覆盖对农药持久性有影响.Plant cover has been observed to influence pesticide persistence.除草剂在底泥中的持久性与剂型无关.Persistence of the herbicide in the mud was irrespectiv...
Macmillan wrote back saying that he could certainly help.麦克米伦回信说他肯定能帮忙。MacMillan's music characteristically makes a dramatic impact.麦克米伦的音乐一向给人很大的触动。A . Cottrell , The First Emperor of China , Macmillan, 1981.科特瑞, 《...