Preparation of salicylic hydrazide . Controlling material mole ratio and the product recrystallization is the key.水杨 酰肼的制备控制原料的摩尔比、产物的重结晶是关键....the degradation of salicylic acid in plants.植物中水杨酸的降解Topical ointments and c...
说得老套一点，其内容翔实。To use a well-worn cliche, it is packed with information.心理转折使原本老套的故事情节变得生动有趣。Psychological twists perk up an otherwise predictable story line.采用的方法很老套，没什么效益。The methods employed are old-fashioned and unecon...
Chambers' voice droned, maddening as an insect around his head.钱伯斯一直在他耳边嗡嗡地说个不停，他都快疯了。Chambers waved his hand. "Belt up!" he snapped.钱伯斯手一挥，喝道：“闭嘴！”These palatial chambers, how marvellously they came to her.这些宫殿般的房间...
Her confidence in her charms, her personality, her earthly privileges was quite anarchistic.她对自己美貌, 自己的人格, 自己的魔力的信仰是无法无天的.He fell prey to her charms.他被她的美色所迷倒。Their discourse, witty, pithy, original, had such charms for ...