specialties的意思是:特长;专业;特色菜;专业领域;专长。
specialties of the medical profession 医学界的专长
in his specialties 在他的专业领域
specialties of the day 当日的热门话题
specialties of the trade 行业专长
in his specialty 在他的专业领域
in his own specialty 在他自己的专业领域
specialties of the book 书籍的专业领域
in my specialties 在我的专业领域
specialties of the mind 心理专长