Sulfuret
n. 硫化物\\n[医] 硫化物
🗣️ 情景例句
But to tell the truth,
但是老实说，
I'm sorry. I'm engaged now.
对不起，我现在正忙着。
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。