Useful
[ 'jusfl ]
第1级
其它 Other
adj. 有用的，有益的，有帮助的;令人满意的;
💡 词根助记
use用+ful可…的” →有用的
📝 例句
She gave us some useful information.
她给了我们一些很有用的信息。
A test run would be useful to the statisticians.
试运转将对统计学家有用。
Polymers are fabricated into useful articles.
聚合物加工成有用的制品。
a useful interchange of ideas
有益的意见交流
This is a most useful reference book.
这是一本非常有用的参考书。
✅ 同义词
🔴 反义词
🔤 词根
-us-表示“用”
常见变体有-ut-
📖 牛津释义
useful
adj
1 that can be used for some practical purpose; serviceable or helpful 实用的; 适用的; 有用的; 有益的; 有帮助的
a useful gadget, book, hint, acquaintance 有用的小机械、 书、 线索、 熟人
do sth useful with one's life 尽自己毕生精力做些有益的事
Videos are useful things to have in the classroom. 教室里有录像设备是很有助益的.
2 (infml 口) competent or capable 能干的; 有能力的
He's a useful member of the team. 他是该队的主力队员.
3 (idm 习语) come in handy/useful => handy. ,make oneself `useful help by performing useful tasks 做些有用的事来帮忙
My nephews tried to make themselves useful about the house. 我的侄子都想帮我收拾收拾房子.
🔁 扩展释义
*['ju:sful]a. 有用的, 有益的【机】 有用的, 有效的
🌿 同词根单词
📖 同为「计算机」词汇
查看全部计算机词汇 ›🗣️ 情景例句
First of all, it's been improved. And it's bigger, although it's more expensive.
首先，它已作了改进。而且机子较大，尽管价格贵些。
That sounds interesting. That was a hundred years ago, wasn't it?
听起来很有意思。那是一百年前的事了，不是吗？
What happened before printing was invented?
印刷术发明以前是怎么一回事？