灰鲭鲨 —— 不知疲倦的游泳能手。The mako shark (灰鲭鲨) is one of the fastest sharks in the ocean. It can swim... University, US are studying mako sharks. They found a male (雄性的) mako shark in 2015 and started ……

to sit on the bed and watch the sharks swim around.Have a goTrue or false1. Toby likes to go out... is in Paris (巴黎), the capital (首都) of France. There are 35 sharks in it.The wall of this bedroom ……

around 15 rows of teeth on average. Some sharks end up growing and replacing up to 30,000 teeth... the healthiest teeth among all animals. A shark has around 15 rows of teeth on average. Some sharks end ……

Nancy Hotchkiss, an organizer of the exhibition, which runs until December. "Sharks have been around... at the NationalAquarium(水族馆) in Baltimore, US, proves this. Visitors can touch young sharks, see ……

全球最刺激滑梯 冲进鲨鱼池Here are two things: swimming around sharks, and dropping4 down from an 18-meter-long... (管子). There are sharks swimming around, just outside the tube. Do you want to try? ……

我们是鲨鱼的"小保姆“！词数 260 建议阅读时间 7分钟WANG Huihua used to be afraid of sharks. The animals look "big,fierce... he is taking care of two baby sharks.To teach students about wild animals, ShanghaiAquarium(水族馆) lent ……

成长最快的黑洞，一天吃一个太阳成长最快的黑洞，一天吃一个太阳Scientists found a huge black hole. It’s 17 billion (十亿) times heavier than the sun! This black hole is growing by eating dust (尘埃) around it. Every day, it eats dust ……

. Luckily, no one was hurt. Only one car fell into the hole. Police said the hole opened up around 3 am...Giant hole sinks Germany德国小镇突现巨大“天坑”。IMAGINE you wake up in the morning and see a very big hole ……

科学家解开鲸鲨寿命之谜。科学家解开鲸鲨寿命之谜。Whale sharks are the largest fish in the world, averaging (平均) about 10 meters long and weighing tens of thousands of kilograms each. They live in tropical (热带的) waters around ……

Whale sharks are the largest fish in the world.  TUCHONGWhale sharks are the largest fish in the world.  TUCHONG科学家解开鲸鲨寿命之谜。科学家解开鲸鲨寿命之谜。Whale sharks are the largest fish in the world ……

time. This month, we finally got the answer: they look like dark circles (圆圈) with a bright ring around the outside.Scientists took the world’s first photo of a black hole. The black hole is very far ……

IN the ocean, sharks are the top predators (捕食者), not the prey (猎物). But the fearsome fish face... Madison Stewart, a 20-year-old Australian who’s been swimming with sharks since she was 12. She’s made ……

IN the ocean, sharks are the top predators (捕食者), not the prey (猎物). But the fearsome fish face... Madison Stewart, a 20-year-old Australian who’s been swimming with sharks since she was 12. She’s made ……

picture of a black hole in history. It shows a black hole with a bright red ring around it. Want... this! Have a goTrue of false1. A black hole is a very big hole ( )2. A black hole can pull things around ……

animals. A shark has around 15 rows (排) of teeth. Some sharks can grow 30,000 teeth in their lifetime... of all animals. A shark has around 15 rows (排) of teeth. Some sharks can grow 30,000 teeth ……