常见例句用作形容詞 (adj.)Leave dynamite to the low and unrefined.把炸葯畱給那些低劣的人吧。There are several grades of herbs available, including pharmacopoeial grade, food grade and inferior grades.有好幾個等級的葯材，包括葯典級，食品級和低劣的等級。 返回 low-grade