Naumannite
硒银矿
🗣️ 情景例句
It's mostly young people who take part.
参加活动的绝大多数是年青人。
I pity the victims.
我觉得受害者很可怜。
Meanwhile, my tongue was busy searching out the hole where the tooth had been.
与此同时，我的舌头正在忙着寻找刚拔掉的那颗牙的伤口。