Baritite
硫酸钡
🗣️ 情景例句
He's going up the ladder pretty quickly.
他真是平步青云。
It's very popular.
它很受欢迎。
You see, I put some soil in the box, sow the seed carefully like this, and then cover it with more soil.
你瞧，我在盒子里放些泥土，像这样小心地把种子播下，然后再用多一点儿的土盖住种子。