Nucleochronometer
n. 核子年代学标准( 指用来衡量或确定核子年代学的标准化学元素或同位素)
🗣️ 情景例句
I need to fit a fourth operation into his schedule.
我得在他的工作表上再加第四个手术。
You're always mixing me up with my twin sister!
你老是把我和我的孪生姐姐搞混!
John seldom gets together with his friends.
约翰很少与朋友聚在一起。