您要查找的是不是：
- Defense Material Item 国防物资项目
- Defense Material Allotment System 国防器材分配系统
- Defense Material Standardization Committee 国防器材标准化委员会
- Department of Defense Material Distribution System 国防部物资分发系统
- Some insects obtain defensive materials by eating other insects. 有一些昆虫通过吃掉其他昆虫取得防御物质。
- Bob never bought jewelry for his girlfriend, for he knows she is quite spiritual, and doesn't really care for material items. 鲍勃从来没有给他的女朋友买过珠宝,因为他知道她是精神需求很高的女人,不太在乎物质方面的东西。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Many heroic men and women have died in defense of liberty. 许多英勇的男男女女为捍卫自由而牺牲。
- The material is flawed throughout. 这种材料到处是裂缝。
- Defense Material Specifications and Standards Office 国防器材规格与标准处
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
- That material surpasses all others in fineness. 那种材料精良超过其他所有材料。
- They are repairing the defense works. 他们正在修防御工程。
- The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
- The accused has the right to defense. 被告人有权获得辩护。
- Jim is going to get material for a new book. 吉姆正打算为一部新书准备材料。
- The storm did a great deal of material damage. 暴风雨造成了大量物质损失。
- ARPANET started by the US Dept. of Defense for research. 美国国防部建立了阿帕网，作研究用。
- She's on attachment to the Ministry of Defense. 她现在隶属于国防部。
