Our destiny offers not the cup of despair, but the chalice of opportunity.命运给予我们的不是失望之酒，而是机会之杯。 ——Richard Nixon美国总统尼克松Our destiny offers not the cup of despair, but the chalice of opportunity. So let us seize it, not in ...
早期测量地球周长的最准确结果是由埃拉托斯特尼得出的.The best of the early measurements of the earth's circumference was made by Eratosthenes.公元前 1184年 的今天,特洛伊之战: 特洛伊城被洗劫一空并被焚毁, 此日期由埃拉托斯特尼计算得出.BC - Trojan War: Troy was sacked and burned, acco...
I have doubts about the advisability of surgery in this case.关于该病例做手术的可行性，我持有疑问。He talked of the advisability of getting rid of him.他总是谈谈赶掉他的好处.This advisability of deuteration is unnecessary with single crystals.对于单晶,氘化...