Simpsonite
[矿]钽铝石
🗣️ 情景例句
I'm surprised they're not here.
我奇怪他们怎么没来。
This is a profitable transaction.
这是一笔有利可图的交易。
They devise hundreds of competitions which will enable us to win huge sums of money.
他们设计数以百计的竞赛，竞赛中有人可赢得巨额奖金。