按摩可以使肌肉放松，缓解压力和促进血液循环。Massage is used to relax muscles, relieve stress and improve the circulation.呼气，膝部放松向胸部靠拢。Breathe out and ease your knees in toward your chest.尽量放松，保持平稳呼吸。Relax as much as possible and keep breathin...
As the rubber droplets lose the acetone solvent, they become tacky and agglomerate.当橡胶滴失去丙酮溶液后, 变成粘的,聚集态的.After some initial problems, acetone was successfully produced in quantity...解决了最初的一些问题之后，终于成功地制造出了大量丙酮。Outlined s...
他们有一套非常精良的设备.They had a very refined apparatus.他们在边境上集结了装备精良的军队.They massed well - equipped troops on the frontier.业余人士拍摄的视频片段和制作精良的好莱坞影片之间存在着巨大的差距。There's a big difference between an amateur video and a slick Holly...