上等的

We lunched in a fashionable restaurant.

我们在一家上等的饭店吃午。

The whole shipment of cattle made the grade as prime beef.

牛全部达到了上等牛肉的标准。

The carpentry is excellent.

木工是上等的。

It was a party flowing with the best champagne.

那是一次人们可痛饮上等香槟的宴会。

Finally, this paper states the epurate principle , the focalpoint and the marketing of photocatalyst.

就光触媒的净化机理,技术要点以及光触媒产品在国内市场上的现状等行了阐述。