noun 下载 🔗分享 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. Examples : "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。 job service person aid human 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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. Examples : "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。 job person service sport human aid 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 救生员，救生员。 A lifesaver. Examples : "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。 job service person aid sport 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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. Examples : "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。 vehicle machine technical part industry 与AI对话词汇游戏阅读练习
