| 单词 | useful |
| 释义 | Word Frequency useful(ˈjuːsfʊl) adjective 1. able to be used advantageously, beneficially, or for several purposes; helpful or serviceable 2. informal commendable or capable a useful term's work noun 3. Australian informal an odd-jobman or general factotum Derived forms usefully (ˈusefully) adverb usefulness (ˈusefulness) noun |
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