单词：diisopropyl amine
单词：diisopropyl amine 相关文章
Tax free --- duty free Tax cuts Income tax General-----generally speaking Federalist Type---kind---sort Typewriter----typist Salary---wage---income Earn money----earn a living Make money---make a livi
自考英语（一）78讲
Dick: Hi, Lisa! Are you free this Saturday? Lisa : Yes. Why? Dick: Would you like to go to a party with me? Lisa : OK! Will you pick me up at my place? Dick: Sure. Is eight o'clock alright? Lisa : Tha
赖世雄初级美国英语
[00:00.00]13.When are you free? [00:06.64]你什么时候有空? [00:13.27]When are you free? [00:16.05]你什么时候有空? [00:18.83]When is it convenient for you? [00:22.01]你什么时候方便? [00:25.18]When is good for you? [00:28.16]什么时
招呼英语
Deciding to do some back-yard landscaping, my father-in-law went to the brickyard to buy quantity of brick. When he asked the salesclerk about the cost, the man replied.
英汉幽默故事选读
我们今天再来给大家讲解两个以free这个字为主的习惯用语。首先我们要讲的是：Free and easy. 大家都知道，free是自由，或者是不用花钱就得到的。大家也可
美国习惯用语
Fat free 油是免费的 I stopped at a fast food restaurant recently. I was fascinated by a sign which offered Fat Free French Fries. I decided to give them a try. I was dismayed when the clerk pulled a basket of fries from the fryer which were drip
趣味英语