Thomasite
磷硅铁钙石
🗣️ 情景例句
We'd all like to believe that we have a bright future ahead of us.
我们都愿意相信我们的前面是一个美好的不未来。
It's a waste of time.
这是浪费时间。
The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
驯象中至关重要的是指派一名专门的驯象员，全面负责这项工作。