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今天我们要学的词是irreversible. Irreversible 形容词，不可逆转的。The European Union's top diplomat welcomed North Korea's announcement of stopping nuclear tests, and called for an irreversible denuclearization of North Korea. 欧盟首
英语单词荟萃
Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.
Scientific American(二)月
Three things in life once gone, never come back: time, opportunity, and words. 人生有三样东西不可挽回：时间，机遇，以及说出去的话。 Expectation is the root of all heartache. 期待是所有心痛的根源。 In life, we all
英语美文
UN Warns of Irreversible Damage to Planet The Global Environmental Outlook, or GEO5, says the world is on an unsustainable path, despite more than 500 international agreements. And scientific evidence says Earth's systems are being pushed toward thei
VOA标准英语2012年(六月)
Around the world, many people start their day with a cup of coffee, a cappuccino, or an espresso. At the same time, there are many people with various thyroid conditions who rely on synthetic thyroid hormone replacement medication like levothyroxine
实用英语
ARI SHAPIRO, HOST: CVID is an acronym you're about to hear a lot. The Trump administration has been using it in the run-up to next week's summit with North Korea. And those four letters have meant different things to different people, as NPR's David
2018年NPR美国国家公共电台6月