Maxite
马克赛特, 含钴18-4-1型高速钢, 硫碳酸铅矿
🗣️ 情景例句
and he doesn't know anything
而他毫无所知
Omph!
唔！
that people have for years assumed that the process of losing vigour with time,
多年来就已认识到。生命力随着时间流失而丧失活力，