英语单词大全
英语单词大全

useful

/'ju:sful/
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中文翻译

a. 有用的, 有益的
[机] 有用的, 有效的

英文解释

a. being of use or service

常见例句

1

a device or control that is very useful for a particular job n

2

n a device or control that is very useful for a particular job n durable goods for home or office use

3

request and expect v address a question to and expect an answer from v require as useful, just, or proper v require or ask for as a price or condition

4

a useful or valuable quality

5

anything of material value or usefulness that is owned by a person or company

相关词组

1

actual useful years

[经] 实际使用年限

2

be full as useful as

同...完全一样有用

3

be useful at

熟悉,精通,擅长…

4

come in useful

可能有用,早晚会派上用场

5

computer useful time

[计] 计算机有效时间

6

decline in economic usefulness

[经] 经济效用降低

7

estimated useful life

[经] 估计使用年限

8

houseful

n. 满屋

9

housefuls

n. 满屋, 一屋子( houseful的复数形式 )

10

lost usefulness

[经] 用途消失

11

lowes useful high frequency

[电] 最低使用高频率

12

make oneself useful

帮忙,做有用的人

13

maximum useful output

[电] 最大可用输出看

14

museful

a. 沉思的

15

net useful work

[化] 净最大功; 净有效功

16

unuseful

a. 无用的,无益的

17

unusefulness

不实用或无价值的性质或状态

18

useful area

[化] 有效面积

19

useful cross section

[化] 有效截面

20

useful density range

[医] 有用密度范围

今日更新

更新时间:2025-06-07 23:09:59