Categorize the plants into four groups.把这些植物分成4类。Her work is difficult to categorize.她的工作很难归类。This type of china is rather hard to categorize,it's very unusual.这种瓷器非常特殊，很难归类...
把没种庄稼和植物的土地都深翻一遍。Dig over any ground that is clear of crops and plants.任由鹿糟蹋会很容易把庄稼都毁了。Crops can be all too easily decimated by unchecked depredations by deer.青蛙吃破坏庄稼、传播疾病的害虫。Frogs eat pests which destroy crops and carry...
本文利用DTA 、 XRD、TEM、SEM等技术研究了三种K2O-B2O3-SiO2玻璃的析晶性能.The crystallization of three K 2 O - B 2 O 3 - SiO 2 glasses has been studied by using DTA, XRD 、 TEM and SEM technique.方法采用渗滤、析晶、重结晶三 步法 提取分离,库仑滴定法测定含量.Methods: Three - ...