This is a toxin-free, pain-free, and worry-free approach to visibly improving your skin's quality and appearance.
这是一个无毒，无痛苦的，而无后顾之忧的方法明显改善皮肤的质量和外观。
2
The effect of organic compositions(except sugar) and illumination hours on the rapid propagation of toxin-free potatoes with MS as the basic medium was studied.
在MS为基本培养基的脱毒马铃薯快繁中，探讨其有机成分（除蔗糖外）及光照对马铃薯快繁的影响。
3
Botulinum toxin at any dose was not more effective than placebo in terms of the number of headache-free days.