usefulness的词根词基和词干

usefulness的词根词基和词干

usefulness

有用，有益，有效；效能；

英英释义

usefulness['ju:sfulnis]

n.the quality of being of practical use

同义词：utility

双语例句

用作名词(n.)

It is of the greatest usefulness.

它是极有用的。

This tool has even more usefulness than that.

这个工具比那个更有用。

The duality of use value refers to its usefulness and rarity. 使用价值的两重性指的是有用性和稀少性。

权威例句

Usefulness of diffusion-weighted MRI with echo-planar technique in the evaluation of cellularity in gliomas. Clinical usefulness of chemotherapy based on an in vitro chemosensitivity test in urothelial cancer patients

The Kindness of Strangers:The Usefulness of Electronic Weak Ties for Technical Advice