noun🔗Share救生员, 救生队员 A bodyguard or unit of bodyguards, a guard of someone's (especially a king's) life or person."The king's lifeguard stood vigilantly at the palace entrance. "国王的卫队警惕地守卫在宫殿入口处。jobservicepersonaidhumanChat with AIVocabulary GamePractice Reading
noun🔗Share救生员，救生员。 An attendant, usually an expert swimmer, employed to save swimmers in trouble or near drowning at a body of water."The lifeguard at the pool saved a little boy who had fallen in. "泳池的救生员救了一个不小心掉进去的小男孩。jobpersonservicesporthumanaidChat with AIVocabulary GamePractice Reading
noun🔗Share救生员，救生员。 A lifesaver."The lifeguard saved the child who fell into the pool. "救生员救了那个掉进游泳池的孩子。jobservicepersonaidsportChat with AIVocabulary GamePractice Reading
noun🔗Share排障器 A sturdy metal bracket fixed in front of each of the leading wheels of a train to deflect small objects away from the wheels to prevent derailment."The train had a lifeguard in front of each wheel to push rocks off the tracks. "火车每个车轮前面都装有排障器，用来把轨道上的石块推开。vehiclemachinetechnicalpartindustryChat with AIVocabulary GamePractice Reading
