n.可执行性
Lasers can be used to perform operations nowadays. 现在激光可以用来做手术。
What functions can this program perform? 这一程序有哪些功能?
He is going to perform magic at the party. 他将在晚会上表演魔术。
They always perform their duties faithfully. 他们总是忠实地履行自己的职责。
Magician often perform tricks such as pull a rabbit out of a hat. 魔术师常常变从帽子抓出兔子的戏法。
Some computers can perform over a billion computation a second. 有些计算机一秒钟能完成超过十亿次运算。
