Petroseite
硒鉛銅鎳礦
??? 情景例句
Marilyn, you're going to design my niece's dress.
Marilyn現在就開始設計我侄女的結婚禮服。
This alone made our nine-day trip worthwhile.
光這件事我們九天的旅行就非常值得。
They had a good time, but I didn't go.
他們玩得很痛快，但我沒有去。