the bottle sometimes, right? If you don’t clean it, bacteria (细菌) can grow inside the bottle. This bottle can... itself. You don’t have to worry about bacteria anymore. ……

at the scenery. You don’t have to worry at all, just sit back and relax. It’s more than getting...I love to take a train journey. I like fast trains the best, ones that travel at over 100 ……

’s birthday party!Cat: You fool! Take good care of me. Don’t you know a black cat can bring you good luck...Man: Get down, please! You naughty (淘气的) cat!Cat: Don’t worry, my dear! Don’t you think your hat ……

(政府) came up with a good idea: cable cars. They can carry more people. And you don’t need to worry... (巴西). And the cable cars are just buses. Let’s take a look.This is Rio de Janeiro (里约热内卢), Brazil ……

, don’t worry,” Jack said. “I’ll take it as if I did not hear you.”“Oh, don’t worry,” Jack said. “I’ll take it as if I did not hear you.”“Oh, don’t worry,” Jack said. “I’ll take it as if I did ……

Look at this suitcase (行李箱). It has three wheels1. It can change into (变成) a skateboard (滑板). With this suitcase, you don't need to worry about your heavy luggage (行李) anymore. ……

炫酷发明It is not very safe to ride a bike at night. How about trying this bike? Its tires (轮胎) give out light (发光). Oh, a car is coming. Don’t worry. The driver can see you! ……

Cool convention看不清时间的手表What? This is a watch? I can’t see the time. Don’t worry, shake (摇晃) it and it will show you the time. ……

You don't need to worry about eating bad food anymore. This sealing clip (封口夹) can tell you the shelf life (保质期) of your food. ……

滑板旅行箱。Look at this suitcase (行李箱). It has three wheels. It can change into (变成) a skateboard (滑板). With this suitcase, you don’t need to worry about your heavy luggage (行李) anymore. ……

Don’t worry about burning the calories – that’s already been done. ……

.Meanwhile, don't worry about their money. If they can afford your extra study, they must have saved more... do?Flora, QiuzhouFlora,Focus now on the exam, and don't worry about your parents. Sleep well, eat ……

小心！你的牛奶洒了。WATCH out! Your milk is dripping (滴)! Don’t worry, it’s a Melt Mug. The “feet” of the mug... of them can run by themselves. How cool it is!下雨天，一把从里面收起的伞不再溅你一身水。EVERYONE hates it when you take ……

for (象征) her.Word boxWord boxworry 烦恼don’t worry 别担心worry about  担心……worry 烦恼worry 烦恼don’t worry 别担心don’t worry 别担心worry about  担心……worry about  担心…… ……

don't have as many friends as you would like.Problems like these can make you feel stressed (有压...), for example. Don't worry too much if a teacher or your parents criticise you. Be pleased ……