超等质量extra good quality; highest quality 等质环境 isoterra .
双语例句
1
Professional sun block protect product is extra fine quality! compare with other brand of sun block protect, this face potion is good! And I feel relieved by using it.
专业防晒产品质量就是特别好，和其它的防晒品比起来就是效果好，而且用得很放心。
2
Owing to the adoption of hi-tech technology, the quality and specifications of the new type are much improved at no extra cost and therefore enjoys very good sales.
由于采用了高科技技术，新型机的质量和规格在很大程度上得到改进而没有增加成本，因而销路甚好。
3
The above countermeasures will prevent inner wall scaling and offer 30 extra working-days in a year, with a higher output, goodquality and lower consumption.