例句與造句

1. The first category includes crude oil , natural gas , coal , other non - metal ores , ferrous metal ores and non - ferrous metal ores while the second includes solid salt and liquid salt
   礦產(chǎn)品包括原油、天然氣、煤炭、其他非金屬礦原礦、黑色金屬礦原礦和有色金屬礦原礦；鹽包括固體鹽和液體鹽兩種。
2. It's difficult to find solid salt in a sentence. 用solid salt造句挺難的