"Whenever you touch something so fundamental, you have to be much more prudent, " he said.

当你触动如此基础性的东西时，你必须十分十分地谨慎。

youdao

Did you touch something that was unusually hot, cold, or wet?

你是否有碰到特别冷、热、或湿的东西？

youdao

Did you touch something that was unusually hot, cold, or wet?

你是否有碰到特别冷、热、或湿的东西？

youdao