Preoperation
空转, 试运行, 试运转
🗣️ 情景例句
Hello, it's good to see you again.
很高兴又见到你。
So far so good.
目前为止，一切都好。
From those humble beginnings, we have seen the development of the user-friendly home computers and multimedia machines which are in common use today.
从那些简陋的初级阶段，我们看到了现在都已普及的、使用简便的家用电脑和多媒体的微机的发展。