Peroxidizing
过氧化
🗣️ 情景例句
What do you like about it?
你喜欢它哪一点呢？
Never trust another what you should do yourself.
自己应该做的事，决不要委托别人做。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。