Betamax
Beta制大尺寸磁带录像系统
🗣️ 情景例句
Hello.
哈喽。
See you on Monday.
星期一见。
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。