短語詞組短語the yield per unit year 單產(chǎn)up 42 per cent year -on-year 年同比上升了inches penetration per year 每年腐蝕英寸數(shù);英寸數(shù);和英寸數(shù)total rainfall per year 年總降雨量volcanoes active per year 活躍??火山每年;火山活動(dòng)每年sow productivity per year 母豬年生產(chǎn)力lifting competence per year 年提升能力multimillion pound per year 每年數(shù)百萬英磅的fault time per year 年故障次數(shù) 返回 per year