noun 下载 🔗分享 牙科保健员,洁牙师 A person skilled in hygienics, but especially a dental assistant who cleans teeth etc Examples : "My teeth feel so much cleaner after the hygienist scraped away all the plaque. " 我的牙科保健员帮我刮掉了所有的牙菌斑后,我的牙齿感觉干净多了。 medicine job person 与AI对话词汇游戏阅读练习