verb🔗Share保护，保卫，防护。 To keep safe; to defend; to guard; to prevent harm coming to."Condoms are designed to protect against sexually-transmitted diseases."安全套的设计是为了保护人们免受性传播疾病的侵害。propertyenvironmentpolicemilitaryinsurancelawsocietyessentialtoeicChat with AIVocabulary GamePractice Reading
verb🔗Share候补，预订候补机位 (travel) To book a passenger on a later flight if there is a chance they will not be able to board their earlier reserved flight."The airline agent protected Maria's flight reservation by booking her on a later flight in case her original flight was cancelled. "航空公司的工作人员为玛丽亚预订了稍晚的航班，以候补机位的方式保障了她的机票，万一她原来的航班被取消。businessserviceessentialtoeicChat with AIVocabulary GamePractice Reading
