I use watercolours much less than I do oils or acrylics.我用水彩比用油画颜料或丙烯酸颜料要少得多。They are also spending much less on extras like meals in restaurants.他们花在下馆子等额外消费上的钱也少多了。Greek yogurt contains much less fat than double cream....
Many of the revellers are tourists and British day-trippers.很多饮酒狂欢的人都是观光客和来一日游的英国旅客。It is a part of Britain as yet largely unaccustomed to tourists.英国的这一块地方还很不为游客所熟悉。All that the tourists see are the externals of our fai...
Warm your reagents ( media, PBS, trypsin ) to 25 - 37� � C prior to use.细胞操作前要把培养液 、 PBS和胰 酶 在37C水浴中加温.Control group was injected with the same dose of PBS.对照组10只注射等量PBS液.After dialysis, Nef protein was dissolved in PBS....