necessary

US /ˈnɛsɪˌsɛri/

UK /'nesəsərɪ/

A1 初級
  • adj. 必要的 ; 必然性的 ; 必需的

例句

These measures will be enforced, if necessary, by the army.

Make any alterations you consider necessary. You may find it necessary to readjust the wheels from time to time.