Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05 %.以苯甲酰氯为原料,经酰化, 还原, 环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%....
The chapters on the internment are Both readaBle and well researched.这些关于拘留的章节不仅具可读性而且研究得很透彻.The orc clans were quickly rounded up and placed within guarded internment camps.四分五裂的兽人氏族很快被赶进了戒备森严的俘虏收容所....
总被人嘲笑是很让人灰心的.It is very discouraging to be sneered at all the time.他们不得不与高涨的物价作长期而灰心的斗争.They have had to wage a continual despairing fight against the rise of prices.使整个队感到灰心的失败.A failure that dispirited the team....
We've been on a bit of a downer since the Liverpool game.自从利物浦比赛以来，我们一直有点沮丧。For divorced people, Christmas can be a downer.对离异的人来说，圣诞节令人感伤。Not getting the promotion was a real downer.未得到提升真让人很沮丧。...
She called her young son: "Here, Stephen, come and look at this!"她喊她的小儿子：“喂，斯蒂芬，过来看看这个!”Stephen Smith was accepted into the family like an adopted brother.这家人把斯蒂芬·史密斯视为养子一样当作一家人。Stephen checked on her several times durin...