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- The troops got orders to drop back. 部队接到撤退的命令。
- As we marched along, the lame boy dropped back. 在我们前进的时候，那个跛足的男孩子落在后面了。
- In capitalist countries the unemployment figures seldom drop back. 在资本主义国家里，失业人数难得下降。
- He dropped back into his old habit of drinking. 他又恢复喝酒的老习惯。
- The two lovers dropped back so as to be alone. 那对情人落在后面,为的是两人好单独在一起。
- The small ball dropped back to the floor. 小球又落回到地板上。
- You may feel the canopy start to drop back as it enters a stall. 你可能感觉这伞体开始后甩，好像进入失速。
- Learning is like rowing upstream, not to advance is to drop back. 学如逆水行舟，不进则退。
- Through motion compensation of Inverse Synthetic Aperture Radar(ISAR), the jamming mechanism of ISAR is analyzed and simulated. 从逆合成孔径雷达运动补偿的角度对ISAR成像的干扰机理进行了理论分析，并进行了基于ISAR回波真实数据的仿真实验。
- Learning is like rowing upstream; not to advance is to drop back. 老外听后,也许会感到一头雾水。这样修改一下,表达可以清晰一些
- High fever drop back still feels unwell, how should do? 高烧退后还是感到不适,该怎么办?
- One of the lorries dropped back with a mechanical defect. 一辆卡车因出故障而落在后面了。
- As soon as we reached the little village,we got the order to drop back. 我们刚到这个小村庄，就接到返回的命令。
- Based on ice jam mechanism,hydraulics model and energetics model are introduced into this research and well simulate water level,freeze-up and break-up date of each spring in Wudinghe River. 根据冰塞形成发展的机理,利用水力学模型和热力学模型模拟研究了无定河流域下游段丁家沟至白家川的每年春季河流水位、封河日期和开河日期。
- He dropped back because he had hurt his leg. 他腿受伤了所以落在后面。
- At the door Tom dropped back a step. 汤姆在门口落后一步。
- rock - drilling jamming mechanism 卡钻机理
- The defender dropped back behind his teammate. 防卫者在他的队友之后撤退了。
- As we marched along,the lame boy dropped back. 在我们前进的时候，那个跛足的男孩子落在后面了。
- They are concerned because space debris can puncture the space station walls and jam mechanisms. 他们关心空间碎片可以穿透空间站墙壁堵塞机构。
