英语听力：自然百科 虫虫兄弟—3（在线收听） |
Woodlice set for the shadows, but other creatures are bolder. Outside a newcomer is looking for a way in, a male house spider. A water pipe is an opening invitation. It will take a lot more than a cold shower to deter this male on his hunt for a mate. The rest of the Smith family are also under surveillance. Daniel, the 17-year-old who hates school. Josh, the 12-year-old football freak. Alex, the 8-year-old * fanatic. And Hollywood, the *. Now for some of the other housemates, just a few thousand for starters. Joe has some help getting ready for work. An invisible army of cleaners may have puffed him. These are dust mites, magnified 5,000 times and for breakfast, they're have skin flakes. Like all of us, Joe sheds up to 10 grams of skin every week. Dead cells are our staple food for dust mites. Fortunately they only eat dead tissue. And without their help, we will be swarmed in dead skin. |
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