通常床垫和床架是成套购买的。The mattress and base are normally bought as a set.成套足球用品的重新推出仅仅是一种促销的手段。Football kit relaunches are simply a way of boosting sales.这些仪器是成套的, 不要拆散.These instruments form a complete set. Don't separate ...
Chocolate comes from the cacao tree.巧克力出自可可树。Some coffee and cacao are grown for export.种植的咖啡豆和可可豆有些是为了出口.Wealthy people drank cacao and said it was good for the digestion.富人喝可可,说它对消化有好处....