Prestressed
预应力的（混凝土）
🗣️ 情景例句
That's ridiculous.
太可笑了。
I ate jam for breakfast yesterday.
我昨天早饭吃的是果酱。
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。