非谓语形式作状语,在定语从句中,需要加逗号吗? A new word has suddenly become wildly popular in China - "tuhao" - which loosely translated means "nouveau riche".--BBC 这句话中破折号后的部分中,非谓语“loosely translated”如果作条件状语或时间状语,不应加逗号隔开吗? 像这样: Heated,the metal expands.--《薄冰高级语法》 如果做别的成分,