地道口语第148期Come on! We're on a roll!来嘛!我们势如破竹啊!*be on a roll 连连获胜；好运连连roll v.滚动例句：1、Small business is on a roll.小企业发展势头强劲。
There the electrical signal is changed back into sound. 在那儿电信号又变成声音。He got full marks in his maths test. 他在数学测试中得了满分。
Each different part of China has different tanghulu. It is usually made of haws， which are put together on a stick and covered with ice sugar. But there are more materials for tanghulu today in some places， such as strawberries， grapes， and even little apples.
有一种爱叫做关心则乱。关心一个人是没有任何问题的，但是要清楚，你说出去的话是“爱的表达”还是“把自己的恐惧投射给对方”。我很喜欢英文里面用的”Good luck（祝你好运）“这类的词，把我们经常会说”路上小心、注意安全“等担心的话。
