if [ɪf] 如果;假若;倘若;当;

You can go if you want.
你要是想走就可以走。

Don't come if you're busy.
如果你有事的话，就不要来了。

If you see him, give him this book.
你要是见到他，就把这本书给他。

You can stay for the weekend if you like.
你如果愿意就留在这里过周末吧。

Do you mind if I turn the TV off?
我关上电视可以吗？

Do you want that cake? If not, I'll have it.
你要那块蛋糕吗？不然我就要了。

swimming trunks 泳裤
start [stɑːrt] 开始；启动；出发；发动

Don't forget your swimming trunks, George.
不要忘记你的泳裤，乔治。

Get your swimming trunks on and start swimming!
穿上你的泳裤，并开始游泳！

I start work at nine.
我九点开始工作。

He started the car.
他发动了汽车。

She started cleaning the kitchen.
她开始打扫厨房。

vegetable [ˈvedʒtəbl] 蔬菜
cotton[ˈkɒtn] 棉，棉花

They also grow rice, potatoes, fruits and vegetables.
他们还种大米、土豆、水果和蔬菜。

Can I have some fruits and some vegetables, please?
我能吃一些水果和一些蔬菜？

She was wearing a beautiful cotton dress.
她穿着一件漂亮的棉布裙。

You can eat cotton candy.
你可以吃棉花糖。

carrot [ˈkærət] 胡萝卜

This carrot is for you.
这根胡萝卜是给你的。

I know this, it is carrot, am I right?
我认识这个，是胡萝卜对吗？

leave [liːv] 离开;遗弃;丢弃
left [left] leave的过去分词和过去式

Is it OK if I leave now?
我现在离开，可以吗？

That's why I left so early.
这就是我早早离去的原因。

I left my bags in the car.
我把包放在车里了。