When Milner gave him a random number, he managed to remember it for fifteen minutes by repeating it to himself constantly.当米尔纳给他一个随机数字,他通过经常重复这个数字使用15分钟记住它。 But only five minutes later, he forgot the ...
It usually takes three years for a grape seed to germinate and bear fruit, and much longer to cultivate an excellent grape variety. Scientists have been searching for fast and simple methods to design ...