动物每次进食后都会排粪。Animals defecate after every meal.排 粪: 将粪便排出消化道的动作.Defecation ( or Bowel movement ): Elimination of feces from the digestive tract.轻泻药: 促进排粪的物质.Laxative: Substance that promotes defecation....
The elements which affected the ablative properties of silicone rubber heat shields were discussed.探讨了影响硅橡胶热防护材料烧蚀性能的因素.The effects of filler fiber and flame retardant on ablative performance of EPDM insulation are studi...
A supernova sprays space with many different elements.超新星会向宇宙放射不同种类的元素。At least one supernova occurs per decade in our galaxy.在我们的星系中每 10 年至少有一颗超新星出现。The ejected mass then probably becomes the observed material of a supe...