她是个自尊心很强的人，绝不会自贬身份去写匿名信。She's got too much dignity to descend to writing anonymous letters.他们需要提升自己的形象——他们是在自贬身价。They need to improve their image — they are selling themselves short.不要自贬身份，不要学他们那样。Don't lower y...
Aurora felt the opium haze enfold her...奥萝拉感觉自己被笼罩在鸦片烟霾中。The aurora is one of nature's most awesome spectacles.极光是自然界最可畏的奇观之一.Aurora Greenway: Why should I be happy about being a grandmother?我为什么要因为快成为奶奶而高兴?Aurora G...
The electromagnetic spectrum covers an enormous range of frequencies and energies.电磁波谱包括极大的频率和能量范围.Television systems, which transmit 30 picture frames per second, must operate on a broad electromagnetic spectrum.每秒传输30幅...