例句與造句

1. Within the 10 meter depth contour there are 69 , 600 hectares of shallow mud flat fit for sea culturing . the major cash aquatic products are of 214 species , 120 families and 21 kinds . the area of salt field is 1677 . 6 hectares
   3萬公頃，主要經(jīng)濟(jì)水產(chǎn)品有14類107科173種，淡水主要經(jīng)濟(jì)水產(chǎn)品有7類13科41種；且為粵東著名產(chǎn)鹽基地，現(xiàn)有鹽田面積167770公畝；全市有林面積20
2. It's difficult to find flat fit in a sentence. 用flat fit造句挺難的