多年来,用的较多的固定剂是动物制品龙涎香 、 香猫香 、 麝香、以及河狸香.For many years the leading fixatives were the animal products ambergris, civet, musk and castoreum.河狸寻找造窝的场所时是很挑剔的.A beaver looking for a building site is very choosy.其他一些因素也有助于河狸的活跃...
Longfellow, Lowell, Holmes: all three, great men to their own age, have dwindled subsequently.朗费罗 、 洛威尔 、 霍姆斯三个, 都不失为他们那个时代的伟人, 后来却大为退色了.My rent in Lowell was 0 dollars a month.在洛厄尔,我每个月的房租是400美元.Unlike Lowell's, hi...
Many men are needed to emend this book.修订这本书需要许多人手.Objective To emend the grading methods of the hypertension and cure effect in a year.目的修订高血压病一年防治效果的评估方法....