Microfractography
显微断谱学
🗣️ 情景例句
Their relationship is over.
他们之间的关系完了。
He looks much younger than he is.
他看起来比他实际上年轻得多。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。