adj.运转中的；有效验的

n.操作性行为

It's warm today. Have supper in the oper air. 今天很暖和,为什么不在户外吃晚饭呢?

It is listening with an oper heart. 爱不是争论里的胜利，而是敞开心扉的倾听。

This oper ation is characterized by simplicity and safety. 逆行法切取髂骨瓣具有简便、全等优点。

Furthermore, we improve the algorithm of figure oper... 并对其中图形运算算法进行了优化。

Feng Huang Gege choose hospital to undergo sex change oper. 交大毕业接受变性手术他变她!