第四课：避免自动改变tab。
第四课：看好你的口袋，特别是在罗马拥挤的大巴和地铁。
Lesson 4: Watch the pockets, especially on Rome's overcrowded busses and subways.
我女儿今天开始做第六单元第四课的练习了。她花了一个多小时在做那些练习，但是它还没有做完。
My daughter begins to do the exercises in Level 6 lesson 4 today. She spends more than an hour in doing it. But she still doesn't finish doing it yet.
我们的第四课现在已经完成了，在下一课中，第五课，我将要说的是休息下，吃个午餐——这是我一天中最喜欢的部分！
Our fourth lesson is now complete, and in the next lesson, number five, I'm going to talk about taking a break and eating lunch - my favorite parts of the day!
我们的第四课现在已经完成了，在下一课中，第五课，我将要说的是休息下，吃个午餐——这是我一天中最喜欢的部分！
Our fourth lesson is now complete, and in the next lesson, number five, I'm going to talk about taking a break and eating lunch - my favorite parts of the day!
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