So tell me what this molecule does that makes it special...那么告诉我这个分子有何作用而使其与众不同。Does that mean the whole house is subsiding?那意味着整个房子正在下陷吗？It sounds like a wonderful idea to me, does it really work?...听起来这个主意很不错，真的能行吗？Som...
Vigorous youth is subjected to rigorous discipline.活泼的年轻人须受到严格的纪律约束。The Youth Training Scheme was operative by the end of 1983.青年培训计划一直持续到1983年底。The scene awakens reminiscences of my youth.这景象唤起我年轻时的往事.Youth changes divi...