例句與造句

1. i'm a single mother, and i still have time for extension courses,
   我是單身母親而仍有時(shí)間參加進(jìn)修課程
2. university extension course
   大學(xué)推廣課程
3. it also conducts basic research plus concentrates on applied research projects to address specific problems that have been identified by the feed industry . in addition, mafic provides technical services, training and extension courses, information technology through its website
   技術(shù)文獻(xiàn)資料室數(shù)據(jù)庫和質(zhì)量控制手段包括飼料分析與最低成本日糧配方來為行業(yè)提供各種技術(shù)服務(wù)培訓(xùn)和技術(shù)推廣課程以及信息技術(shù)。
4. It's difficult to find extension courses in a sentence. 用extension courses造句挺難的