单词 | convection |
释义 | con·vec·tionBrE /kənˈvekʃn/ NAmE /kənˈvekʃn/ noun [U ] (specialist ) the process in which heat moves through a gas or a liquid as the hotter part rises and the cooler , heavier part sinks (热通过气体或液体的)运流,对流 |
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