生物医药大词典
英文: My grandpa is stone deaf.
中文: 我的爷爷全聋了。英文: He is always deaf to advice.
中文: 他总是不听劝告。英文: He was deaf to my supplication.
中文: 我恳求他，他连理都不理。英文: But there are for deaf students.
中文: 但是却有教育耳障学生的。英文: Deaf people communicate by sign language.
中文: 聋人用手势交流。