Useful
[ 'jusfl ]
第1級
其它 Other
adj. 有用的，有益的，有幫助的;令人滿意的;
?? 詞根助記
use用+ful可…的” →有用的
?? 例句
She gave us some useful information.
她給了我們一些很有用的信息。
A test run would be useful to the statisticians.
試運轉將對統計學家有用。
Polymers are fabricated into useful articles.
聚合物加工成有用的制品。
a useful interchange of ideas
有益的意見交流
This is a most useful reference book.
這是一本非常有用的參考書。
? 同義詞
?? 反義詞
?? 詞根
-us-表示“用”
常見變體有-ut-
?? 牛津釋義
useful
adj
1 that can be used for some practical purpose; serviceable or helpful 實用的; 適用的; 有用的; 有益的; 有幫助的
a useful gadget, book, hint, acquaintance 有用的小機械、 書、 線索、 熟人
do sth useful with one's life 盡自己畢生精力做些有益的事
Videos are useful things to have in the classroom. 教室里有錄像設備是很有助益的.
2 (infml 口) competent or capable 能干的; 有能力的
He's a useful member of the team. 他是該隊的主力隊員.
3 (idm 習語) come in handy/useful => handy. ,make oneself `useful help by performing useful tasks 做些有用的事來幫忙
My nephews tried to make themselves useful about the house. 我的侄子都想幫我收拾收拾房子.
?? 擴展釋義
*['ju:sful]a. 有用的, 有益的【機】 有用的, 有效的
?? 同詞根單詞
?? 同為「計算機」詞匯
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Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你們離開實驗室前，務必要關上電源，關好窗戶。
What are you doing on Saturday evening?
你星期六晚上要干什么？
It's a lovely windy day today.
今天是個有風的好天氣。