- 重点词汇
- 等级
level; grade; rating; rank; range; ranking; class; echelon; tier; classification; gradation; notch; position; mark; league; scale; bracket; totem pole; graded; hierarchical; stratified; -cy
First-grade and second-grade sun-dried ginseng
First-grade and second-grade sun-dried ginseng
level; grade; rating; rank; range; ranking; class; echelon; tier; classification; gradation; notch; position; mark; league; scale; bracket; totem pole; graded; hierarchical; stratified; -cy