closed circuit
closed circuit的同义词
closed circuit television中文是什么意思
closed circuit television system中文是什么意思
closed circulation中文是什么意思
closed colony中文是什么意思
closed condition中文是什么意思
英语词典收录了最新的汉英词典和英汉词典，总共有200多万个词条，词库仍在不断更新中。
