- 重点词汇
- 北京
Beijing; Peking
- 口腔
oral cavity; mouth cavity; buccal cavity; oral; buccal
- 护理
nurse; tend; manicure; attend; care; condition; nursing; aftercare; ministrations; treatment; caring
- 入口
entrance; inlet; gateway; portal; mouth; import; entryway; way; access; orifice; ingress; enter; come in; go in; get in