Moreover,senior citizen discount is a direct irritant in what some politicians and scholars see as a coming conflict beteeen generations此外，在一些政治家和学者看来，老年公民折扣是上一代和下一代之间矛盾的直接刺激The two scholars stood opposite the master , t...
每天相当于两大汤匙多重不饱和油的量就足够了。The equivalent of two tablespoons of polyunsaturated oils is ample each day.往瓶子里蘸一下的量就应该能涂满整个指甲。One dip into the bottle should do an entire nail.一般来说，超重的人往往低估自己摄入食物的量。Classically, overweight people ...
They were principally used to catalyze aldol, allylation, Diels - Alder, ene and Friedel - Crafts reactions.它们主要被用来催化Aldol, 烯丙基化, Diels-Alder, Ene和 Friedel -Crafts等反应.They are highly specific for the reactions that they ...