“等级”怎么读？

“等级”的近义词/同义词：品级, 等第。...

“等级”的英语可以翻译为：grade，rank，order and degree，social estate，grading ...

他们建造新楼房来提高土地的等级.They upgraded the land by improving it with new buildings.我们根据阅读能力将学生划分等级.We grade the students according to their reading ability.牛奶分等级出售.The milk is sold in grades....