Vibrostand
振动(试验)台
🗣️ 情景例句
I think I know you. Aren't you...?
我觉得我认识你。你是……吗？
Whatever is worth doing at all is worth doing well.
凡是值得做的事，就值得做好。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。