education for prevention and treatment of ophthalmic diseases
中文翻译
1
《英汉医学词典》education for prevention and treatment of ophthalmic diseases
相关单词辨析
or: 或者，否则，常用于否定句中 I don't like apples or bananas. Hurry up or you'll miss the bus.
and: 并且，Hurry up and you'll catch the bus.