Untestable
不可验证的
🗣️ 情景例句
in the conference room.
在会议室。
It is not polite to eavesdrop on the conversation of other people.
偷听他人说话是很不礼貌的。
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。