first grade造句
(31) Physical : features : monoclinic, lolorless for excellent, lolorless or light yellow crystal for first grade.
(32) For low-carbon and nitrogen urban sewage, the effluent of the system can stably meet the first grade A standards of Urban Sewage Disposal Plant Contamination Integrated Discharge Standard.
(33) He was kept in the first grade for another year.
(34) According to the optimized formulation from lab test, the performances ofthe products from pilot test and commercial manufacture have reached the first grade standard of ...
(35) Left back in the first grade, Smith struggled in school.
(36) Melissa was one of the brightest children in my first grade.
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