required

adj.必需的

required

Adjective

necessary for relief or supply;

"provided them with all things needful"

required by rule;

"in most schools physical education is compulsory"
"attendance is mandatory"
"required reading"

required例句

用作形容词(adj.)

I did more work than required.
我做了比所被要求的来得更多的工作。

All passengers are required to show their tickets.
所有乘客都必须出示车票。

Learning to walk again after his accident required great patience.
他出事后重新学习走路要有极大的毅力。

The ships required the protection of naval and air power.
船只本身需要海军和空军的保护。

required近义词

compulsory essential necessary vital forced forcible indispensable mandatory requisite obligatory prerequisite needful needed elective