词汇	optical structure
释义	optical structure 光学结构
随便看	five years fromnow Five years have passed as a watch in the night five years hence five years of close,concentrated study five-years-old five-years-olds Five-year specialized education five years system five-year students five-year students in normal colleges five-year study five year survival rate five-year survival rate five year system five-year system Five-year System five-year-system five-year system higher vocational five-year system higher vocational college Five-year system students Five-year-system training college five-year teacher-training five-year-term vocational college Five-Year Test Program five-year upper secondary school