Peroxidizing
过氧化
🗣️ 情景例句
Helped him?
帮助他？
John's parents will rejoice at his safe return.
约翰的双亲会因他的安然归来而惊喜万分。
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。