Alternating current dialing
[電] 交流撥發
?? 詞語組成解析
a. 交互的\\n[醫] 交替的
dialing
['dai?li?]
n. <主英>（電話）撥號音;
v. 打電話，撥電話號碼( dial的現在分詞 );
??? 情景例句
And take measures to reinforce them. Please set your mind at rest.
并采取措施加固。請放心好了。
And to stay ahead of the competition is to openly and freely exchange our opinions.
處于競爭領先地位的方法就是公開、自由交換我們的想法
But which language is the most widely spoken in the world?
但是世界上哪種語言運用最廣泛？