Retractability
n. 收缩核
🗣️ 情景例句
Ten o'clock.
十点钟。
He made an important contribution to the company's success.
他对公司的成功做出了重要的贡献。
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。