- 重点词汇
- 慢性
chronic; slowacting; prolonged; lingering
- 中耳炎
otitis media; inflammation of the middle ear; tympanitis
- 方法
method; way; means; manner; road; avenue; gateway; route; measure; approach; mode; system; channel; medium; methodology; formula; prescription; recipe; technique; tool; device; instrument; mechanism; mechanic; tack; line; view; lever; technical