Moreover, experts said the new test was not ready for wide use; serious technical challenges remain to be worked out.
另外专家指出，这项成果还不能被广泛使用，还有一系列重大的技术挑战需要解决。Draco Malfoy has been called upon by Lord Voldemort himself to carry out a mission of great importance and greater consequence.
德拉科•马尔福已被伏地魔召唤，去完成一项艰巨的任务并承担重大的后果。China is a populous country with a long history. It had splendid old civilization and made significant contribution to human race.
中国是一个历史悠久，人口众多的国家，创造了灿烂的古代文明，对人类做出了重大的贡献。Rules to help us address the big issues of our time: climate change, non-proliferation and a sustainable and open global economy.
它们将帮助我们解决这个时代的一些重大问题：气候变化、核不扩散以及可持续且开放的全球经济。This problem nurtured by our traditional culture is worthy of our scrutiny, for it has affected the whole society, even up to now.
作为传统文化的积淀，这一问题直到今天仍然对整个社会产生着重大的影响。He felt that medicine was the most important cause to which he could dedicate himself.
他觉得医学是他能够为之献身的最重大的事业。The researchers said the discovery of a second major gene linked to renal cancer was a major advance.
研究者称，发现导致肾癌的第二重要致病基因是一个重大进步。For example, in a climate approaching a tipping point, the weather tends to look more similar day to day leading up to the big change.
比如说，在接近转折点的气候中，天气在发生重大变化之前往往一天天显得越来越相似。Confronted with such a vital question of life and death, he looked as cool as a cucumber.
面对着这样重大的生死问题，他的神态却异常冷静。