And while most of that loss is reversible once they're back on earth, it's not as easy as chugging some of Madame Pomfrey's Skel-E-Gro potion.

虽然一旦他们回到地球，大部分损失是可逆的，但这并不像喝庞弗雷夫人的生骨灵药水那么容易。