您要查找的是不是：
- EFFECTS OF GIGGLE GAS INHALATION ON ANALGESIC LABOR 笑气吸入用于分娩镇痛的效果
- Clinical Study on Inhaling Laughing Gas Applied to Analgesic Labor 笑气吸入用于分娩镇痛的效果观察
- Curative Observation on Analgesic Labor with Inhaling Laughing Gas 笑气吸入性分娩镇痛的疗效观察
- Clinical study on analgesic labor with epidural anaesthesia 硬膜外阻滞麻醉分娩镇痛的临床研究
- Effect of analgesic labor with inhaling nitrous oxide gas on ET and NO levels in plasma of mother and fetus 氧化亚氮分娩镇痛对母儿血ET和NO水平的影响
- It takes a lot of labor to build a railway. 修筑一条铁路要花费许多劳动力。
- You needn't labor a point that is perfectly plain. 这点很明显，你用不着讲个没完。
- He is a member of the Labor Party. 他是一名工党党员。
- There is a clear division of labor in ants. 蚂蚁间有明确的分工。
- Their labor efficiency is very high. 他们的工作效率很高。
- He was given5 months' hard labor. 他被处罚做五个月的苦工。
- The Labor Party came into power in 1945. 1945年工党上台执政。
- The numbing labor tended to alienate workers. 枯燥的工作可以使工人变得麻木
- The farm labor force is running down steadily. 农业劳动力正在不断减少。
- These robots will save us a lot of labor. 这些机器人可以节省我们大量劳工。
- We should not look down on manual labor. 我们不应该轻视体力劳动。
- An agent, such as an analgesic drug, that relieves pain. 镇痛剂一种药剂，如止痛药，减轻疼痛
- Don't labor the point; we all know what you mean. 这一点不用多讲了;我们都知道你的意思。
- He raised some proposals to reform the Labor Party. 他提出了一些改革工党的建议。
- The local newspaper ran a feature on child labor. 地方报纸登载一篇有关童工的特写。
