"Good grief, you've got the biggest cavity I've ever seen!"the dentist exclaimed as he examined a new patient.
"The biggest cavity I've ever seen!"
The patient snapped, "You don't have to repeat it."
"I didn't. "replied the dentist,"That was an echo."
那是回声
“天啊,你的牙洞是我见过的最大的牙洞!”牙医一边检查新来的病人,一边惊叫道。“我见过的最大的牙洞!”
病人脱口说道:“你不必说两遍。”
“我没有呀,”牙医回答说,“那是回声。”