比色法涉及氟离子对预先形成的颜色的消色作用.The colorimetric methods involve the bleaching of a preformed color by the fluoride ion.用香草醛-冰醋酸比色法测定西洋参中总皂甙的含量.The content of ginsenoside in Panax quinquefolium L was determined by colorimetry.方法: ...
A hula hoop can be spun around the body.呼啦圈可绕着身子转.Grandma can shake the hula hoop for a long time.奶奶可以摇呼拉圈摇很久.Whichever team collects the most hula hoop at the end wins.收集到最多呼啦圈的队伍获胜....
...the decision to reinstate the grant...恢复此项补贴的决定The governor is said to have agreed to reinstate five senior workers who were dismissed.据说州长已同意给5名被解雇的高级雇员复职。To reinstate GRUB as the system boot loader it needs to be re...
Amy picked up the hairbrush and smoothed her hair once more.埃米拿起发梳，再次将头发梳理整齐。I gave it a quick brush with my hairbrush.我用我的梳子把它迅速梳了一下。Your hairbrush is too spiky for me.你的发刷,我觉得太尖了....