sweetly
/ˈswiːtli/📚 12977 41If an engine or machine is running sweetly, it is working smoothly and efficiently. (引擎或机器运转)正常地; 良好地
adverb [方式副词]甜美地；温柔地；惬意地；讨人喜欢地
He heard the car engine running sweetly beyond the open door. 他听到敞开的门口外的汽车引擎运转良好。
单词造句:
He heard the car engine running sweetly beyond the open door. 他听到敞开的门口外的汽车引擎运转良好。