為您提供useful英英釋意。" />

色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

首頁英語詞典usefuluseful英英釋意

useful

英 ['ju?sf?l; -f(?)l] 美['jusfl]
  • adj. 有用的，有益的；有幫助的

英英釋意

1. being of use or service;
"the girl felt motherly and useful"
"a useful job"
"a useful member of society"
2. of great importance or use or service;
"useful information"
"valuable advice"
3. capable of being turned to use or account;
"useful applications of calculus"
4. having a useful function;
"utilitarian steel tables"