Prefloat
预浮选
🗣️ 情景例句
but it's not about me.
但这不是关于我自己的事。
Oh, really? I'm moving there too.
真的？我也会搬到那儿去。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。