use 通常做动词用，它的形容词是useful,副词是usefully
use作动词用释义之一 if you use something, you do something with it in order to do a job or to achieve a particular result or effect. 使用
例子 Trim off the excess pastry using a sharp knife. 用一把锋利的刀削掉过多的油酥面团。
usefully 例子 The money cold be more usefully spent on new equipment. 这笔钱用来购置新设备可能会更有价值。
