Naumannite
硒银矿
🗣️ 情景例句
Anything interesting happening?
有什么有趣的事情发生吗？
Give me the rocket and boat, and I'll give you a sucker.
把那火箭和快艇给我，我就给你棒棒糖。
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？