The extraordinary plasticity of the young brain occurs only during a narrow window of time known as the critical period. 未成熟大脑的这一奇特可塑性仅见于被称为临界期的一段短暂的时间(时窗)内。
Not all autumn days are cool and crisp. ( 3 ) In late autumn, there is a warm, gentle time known as Indian summer. 并非所有的秋日,都凉爽而清新。深秋时节,有一段风和日丽的时间,叫小阳春。
" Guo Yu " is for a long time known as a famous document of pre-Qin days, with very important significance in studying the history of Xi Zhou. 《国语》是一部重要的先秦文献,尤其对研究西周史有着重要的意义,但是这方面的价值一直没有得到应有的重视。
Wyrazik had not, until that time, known about his allergy to penicillin. 在这之前,怀拉兹克并不知道自己对青霉素过敏。
There is a special formula for calculating distance, if speed and time are known. 如果已知速度和时间,可以利用一个特别的公式计算距离。