usefulness怎么读/usefulness的发音
usefulness的音标：英[ˈjuːsflnəs] 美[ˈjuːsflnəs]
英： 美：
usefulness是什么意思
n. 有用, 有益
[经] 有用, 有用性
n the quality of being of practical use
usefulness的用法和双语例句
1. Determines the significance, importance, usefulness or value of.
确定…意义、重要性、有用性或价值。
2. Shared networks can potentially improve the usefulness and efficiency of communications systems.
共享网络或许能提高通讯系统的有用性与效率。
3. The company's "Gabriel" flat emery cloth round series has reached the most advanced production standard in terms of usefulness.
本公司的“百利”平面砂布轮系列在有用性方面已达到最先进的生产水平。
4. His usefulness was over.
他的用处已经结束了。
5. The building has outlived its usefulness.
这座建筑已经失去了它的用处。
6. It is of the greatest usefulness.
它非常有用。
7. The slow cooker's usefulness is great for people who are out all day.
慢炖锅的有用性对于整天外出的人来说非常显著。
8. The old computer has lost its usefulness.
这台旧电脑已经失去了它的用处。
9. The report is of potential usefulness to the government.
这个报告可能对政府有用。
10. The advisory group has outlived its usefulness.
顾问组已失去了它的作用。