Geochronometer
地质年代计
🗣️ 情景例句
Spring has sprung and all the flowers are blooming.
春天来了。花儿都开了。
How did you get so dirty?
你为什么弄得这么脏？
He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
还对工人说，有个学生常装扮成警察无聊地同别人开玩笑。