翻译英语句子1.They were not sure the small machine could really carry voices
问题描述：
翻译英语句子1.They were not sure the small machine could really carry voices
1.They were not sure the small machine could really carry voices.
2.From then on,"hello"is often heard when you picked up the telephone.
答
1 他们不确定这小小的机器真的能够传送声音.
2 从那以后,“你好”成为人们接起电话后的问候方式.
注：英文翻译有时不能太直译.