重點講解：
1. and so on 及諸如此類；等等；
例句：omorrow night, she was ready to go shopping with her mother to buy what she wanted , such as milk, bananas, apples, Hamburg and so on.
明天晚上她準(zhǔn)備和她媽媽去商店買東西，她想買很多東西，比如牛奶，香蕉，蘋果，漢堡等等On9kEQxJ]3r@A+!。
2. match up 與…配對；與…匹配；
例句：I'm sure that yellow lead matched up to that yellow socket.
我敢肯定那根黃線接那個黃色插口td)8(o|)syVZd,m@lv。
3. on average 平均起來；按平均值；
例句：On average, bacterias are about 1 micrometre long.
細菌的平均長度大約1微米~2zp+CRW_L。
4. in general 總的來說；總體上來看；大體上；
例句：In general her work has been good, but this essay is dreadful.
總的說來，她的作品不錯，不過這篇文章糟透了S=QI3E*.ugx7|L5。