Microconcrete
微粒混凝土
🗣️ 情景例句
Hello.
您好。
He must have been an outstanding student.
他一定是个优秀学生。
Today it is no longer the tallest building in the USA, or even in New York.
今天，它不再是美国最高的大厦了，甚至在纽约都排不上号了。