course usu for adults on a particular subject专门: specially; specialized学科: branch of learning; course; ...课程: curriculum; course专门学科: specialism专门学科的: specialistic下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:专门学科课程，即可在微信中查询翻译
