动物的外壳Look at this shell. A snail is inside this shell.Sometimes part of the snail is outside the shell.The shell helps keep the snail safe.The shell moves with the snail.Look at this crab. It has ……

! This snail is only 9 millimeters long and has a shell (壳) lined with short bristly (硬的) hairs less than 1...The snail seen inside this fossil is 99 million years old.  AFPA woman holds a fossilized (石化 ……

the animals from that time. The snail is 9 mm long and 3.1 mm in height. It has a shell (壳) with thick hairs... more about the animals from that time. The snail is 9 mm long and 3.1 mm in height. It has a shell ……

try to eat them, snails hide in their shells. As the snail grows, the shell also grows. Have a go...最孤独蜗牛离世George is a famous tree snail in Hawaii (夏威夷). He died (死) on New Year’s Day. Most snails ……

虫). – There is no shell (壳) in Bob or Anna’s drawing. – One person drew an insect that starts with the first letter of his or her name.Answer: Frank: butterfly Maria: dragonfly Bob: ladybug Anna: ant Mike: snail ……

虫). – There is no shell (壳) in Bob or Anna’s drawing. – One person drew an insect that starts with the first letter of his or her name.Answers: Frank: butterfly Maria: dragonfly Bob: ladybug Anna: ant Mike: snail ……

蜗牛为什么要背着壳？词数 170 建议阅读时间 4分钟 A LITTLEsnail(蜗牛) felt tired from carrying his shell (壳) all day. He...'t have anybones(骨头) in our body. We can onlycrawl(爬). The hard shell not only helps us move faster ……

A snail can sleep for three years. ……

to nature (自然). What a nice new home! It looks like a big snail shell.The house is made of (由……制成.... What does this company sell? Baskets, of course! What a perfect ad (广告)! Living in a shell 象蜗 ……

When it comes to snails, the first thing you think of is a slow animal with a heavy shell... teeth.Scientists found that a snail has a rectangular (矩形) tongue in its mouth with numerous tiny ……

“田园杀手”非洲大蜗牛入侵美国。WHILE common snails (蜗牛) are often small and slow, there is one kind of snail that is not only three times the size of a common one but also very destructive. But how can a snail ……

-life artwork mixes origami art and math. CHINA DAILY  A giant origami “snail” gets a Guinness World Record  A giant origami “snail” gets a Guinness World Record  一张 ……

. It is like a shrimp’s (虾的) belly. There is no shell on my belly. Other animals can hurt me. What can I do?Bingo! I need a house to protect myself! After some shell animals die, I live in their houses.My ……

) and even in the sea. The body of the snail is long, moist (潮湿的) and thin. It has a shell (壳) to protect its body. When the snail is disturbed, it simply pulls itself back into its shell. The snail also goes ……

you don’t have to ask a snail. Javier Senosiain from Mexico (墨西哥) designed this home. It looks just like a shell. At the “mouth” of the shell, there is a large colorful window. And inside the shell ……