| 单词 | obligatory |
| 释义 | obligatoryobligatoryobligatory /əˈblɪgətəri $ -tɔːri/ adjective formal something that is obligatory has to be done because of a law, rule etc SYN compulsoryTHESAURUS: obligatorynecessary if something is necessary, you need to have it or do it: Reservations aren’t always necessary.reservationI have all the necessary documents.documentessential very important and necessary, especially in order to be healthy, successful etc: Fresh fruit and vegetables are an essential part of a healthy diet.vegetablebeGood timing is essential.timebevital extremely important and necessary, because there will be serious problems without it: Tourism is vital to the local economy.bea vital piece of evidencevital equipmentcompulsory if something is compulsory, you must do it because of a rule or law: a compulsory training coursetrainobligatory formal if something is obligatory, you must do it because of a rule or law. Obligatory sounds stronger and more formal than compulsory: The use of seatbelts is obligatory.bean obligatory section of the test |
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