这男孩的不轨行为,使他的母亲许多夜不得安眠.The boy's misconduct cost his mother many sleepless nights.她服用了双倍医嘱剂量的安眠药片。She took twice the prescribed dose of sleeping tablets.安眠药片不久就使她睡着了.The sleeping pills soon put her off to sleep....
Anne is a Lancashire lass from Longton, near Preston.安妮是兰开夏郡姑娘，老家在普雷斯顿附近的朗顿。I might travel by York or preferably by Preston.我想旅途中经过约克,但最好是经过普雷斯顿.Accordingto Preston equation, mathematics model of MIRE is established in t...
微生物合成丙三醇在生产原料 、 生产机制、提取方面各具特点.Microbial production of glycerol have various characters in production raw, mechanism recovery.醇酸树脂: 热固性树脂.是丙三醇(甘油)和笨二酸(酞酸)起化学反应的产品.Alkyd resin: Thermosetting resin, obtained as reaction pro...