Anthrafilt
过泸用无烟煤
🗣️ 情景例句
I'll have a contract
我会准备好一张合同
Out main aim is to please the customers.
我们的目的是让顾客满意。
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。