TOKYO — Japanese scientists have succeeded in growing artificial eyeballs for the first time by growing eyeballs in tadpoles using cells taken from frog embryos. This is expected to enable people ……

a tadpole (蝌蚪).Small frogs, or tadpoles, eat algae (海藻) and other green plants.They have gills (腮) like fish and also have fins (鳍) to help them swim.Tadpoles go through a whole change of form.This is called ……

. They are baby tadpoles (蝌蚪)!3.The tadpoles are tiny. They stick to the weeds (水草). Then they begin to swim. Quick, tadpoles, swim away! Here comes a big fish!4.The fish eats some of the tadpoles. The rest swim ……

你知道蝌蚪也会微笑吗？WHAT is in the picture? It’s a 14-day-old tadpole (蝌蚪) in a microscope (显微镜). In fact, it is only 3mm wide. Is it smiling? Its two “eyes” are nostrils (鼻孔). Tadpoles’ eyes ……

小蝌蚪爱吃什么呢？Do you have any pets? I have ten tadpoles. They are little and black. They live in a glass box. They can’t jump, but they can swim really well! They like vegetable leaves and rice. I usually ……

.They are baby tadpoles (蝌蚪)!3.The tadpoles are tiny. They stick to (粘在) the weeds (水草). Then they begin to swim. Quick, tadpoles, swim away! Here comes a big fish!4.The fish eats some of the tadpoles. The rest ……

热带雨林的植物
大本营 worm 蠕虫beetle 甲虫rotten 腐烂的root 根 pool 水池tadpoles 蝌蚪  生词大本营生词大本营生词大本营worm 蠕虫beetle 甲虫rotten 腐烂的root 根worm 蠕虫worm 蠕虫beetle 甲虫beetle 甲虫rotten 腐烂的rotten 腐烂的root 根root 根pool 水池tadpoles 蝌蚪  ……

has ten feet. When she swims, she waves3 her ten feet fast. My tadpoles (蝌蚪) are black. They have ……

, catch tadpoles (蝌蚪), fly kites, or have a picnic. Children can enjoy nature. 福建..., catch tadpoles (蝌蚪), fly kites, or have a picnic. Children can enjoy nature. 福建 ……

like big tadpoles (蝌蚪). They can grow to about 30 centimeters long.Snailfish look like big tadpoles ……

伟大的动物爸爸
道他的育儿袋在哪里吗？It's in his mouth! Daddy Darwin frog puts his baby tadpoles (蝌蚪) in his mouth. He can still eat and sing. His tadpoles lose their tails, become little frogs, and jump out of his mouth! 小青 ……

see tadpoles (蝌蚪) in the ponds. If you are tired, you can just sit down and order a cup of tea... is filled with bamboos. You can see their shoots (竹笋) in spring. You can also see tadpoles (蝌蚪 ……

has problems with reading. When he sees words, there seem to be a group of tadpoles (蝌蚪) swimming... to be a group of tadpoles (蝌蚪) swimming around on the paper. However, even so, I still like Gao. A girl ……

and the tadpoles. They turn their aggression against any predators, which greatly increases the tadpoles... of herding the tadpoles to safety if their water starts to dry up. The frogs dig a channel to lower water ……

拒绝电视一周(下)
family still have many fun things to do. They go on a walk and watch tadpoles swim. They watch a spider ……