Mobaltron
γ射线辐射仪
🗣️ 情景例句
Do you have family in New York?
在纽约有亲人吗？
I remember the girl whose father goes there every winter.
我记得那个女孩的父亲每年冬天都去那里。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。