There are a lot of pests and ladybirds in Bobby's garden now. Sam comes to help Bobby.
现在，波比的花园有很多昆虫和瓢虫。萨姆过来帮助波比。
Look, Bobby. Here are some ladybirds. They can help you.
看，波比。这里有些瓢虫，它们能帮助你。
Bobby sees two ladybirds on Sam's hand. He is very angry.
波比在萨姆的手里看见了两只瓢虫。他非常生气。
They can't help me. They eat grapes!
他们帮不了我。它们也吃葡萄！
No, they don't. Look. They have seven spots.
不，它们不会的。看，它的背上有7个点。
Sam catches a ladybird from the grapes.
萨姆从葡萄上抓住了一只瓢虫。
How many spots does this ladybird have?
这只瓢虫背上有几个点？
It has ten spots.
有10个点。
Right. These ladybirds eat grapes.
对。这些瓢虫就会吃葡萄。
Sam's ladybirds drive the bad ladybirds and the pests away.
萨姆的瓢虫赶走了有害的瓢虫和昆虫。
Thank you, my friends.
谢谢你，我的朋友。