optional / ˈɒp ʃə nl /

⭐基础词汇可选可选的可选择的自选

optional 的定义

adj. 形容词 adjective
  1. left to one's choice; not required or mandatory: Formal dress is optional.
  2. leaving something to choice.

optional 近义词

adj. 形容词 adjective

possible; available as choice

更多optional例句

  1. The Streambar includes all necessary cables as well as a dedicated Roku remote control, and an optional dedicated subwoofer bundle is also available for those who want to push their sound even further.
  2. Each hut accommodates 12 riders and has a grill, an e-bike charging station, and optional beer delivery.
  3. In December, though, Borden told KPBS the union would negotiate to keep teachers who declined a vaccine employed, and she this month signaled her support for keeping them optional during a hearing before a state Senate education hearing.
  4. However, as masks are optional, you may not want to accept anyway.
  5. Even before the pandemic, the subject tests and the optional essay were losing influence.
  6. Sure, taking sexy pictures—like having sex itself—is, technically speaking, optional.
  7. Van Zant was echoing a growing sentiment of paranoia and fear sparked by the optional public education standards program.
  8. When I ask why she wears a veil in a society where it's optional, Sakdiyah explains how it frees her.
  9. Preparing for retirement is “the why of politics, not merely optional dirty work.”
  10. Then you may be delighted to learn that the essay portion of the SAT is now optional.
  11. On nearly all railways retirement is optional at sixty and compulsory at sixty-five.
  12. Local school and capitation taxes were optional with each county and public school district.
  13. After they have a school certificate, entrance to the works is optional.
  14. It is entirely optional; you have only to take it quietly or go to jail.
  15. Civil engineering and political economy are the only optional studies with the women.