蓝鲸的心跳声大得惊人！The blue whale (蓝鲸) is the largest animal on Earth. It also has the biggest heart in the world. The whale’s heart is big and strong. It can be as heavy as 80 kg, and as big as the tire (轮胎 ……

50 people can stand on its tongue.Blood vessel 血管kids can walk through it.Heart The heart is as big.... It looks blue in the water. How big is it? Let’s take a look.How big is it? 大块头It is about 30 meters ……

interesting facts (事实) you may not know!Why do octopuses have more than one heart?Why do octopuses have more than one heart?Octopuses (章鱼) have three hearts. Two of the hearts work only to move blood (血液 ……

The heart of a blue whale is as big as a small car. Itstongue(舌头) is as long as an elephant. ……

like “lol” (laughing out loud) or “xoxoxo” (hugs and kisses).Why do we love them so much?People seem to like “big red heart” emojis! But why? They allow us to personalize text and have fun as we express ……

construction projects in big cities, people naturally adjust to noisy environments. So when they hear loud...Every single day, you probably walk down noisy streets full of whistles (鸣笛声), loud conversations ……

the underlined phrase “big hits” refer to in the story?A. Creative English artists. B. Supporters... for listening to Britpop. C. Britpop was a big trend in the 1990s. D. Britpop is regaining popularity. Day ……

cooled to 20 C, our heart will have stopped beating (跳动).How loud is too loud?Sound volume is measured... painfully loud. The loudest sound we can safely hear is 160 decibels. Above that, our eardrums (耳膜) may ……

listening to loud music is a big problem. But scientists say they should take more care of their ears...善待我们的耳朵，保护我们的听力。DO you like listening to loud music? Have you been warned that it can damage your ……

also has Big Ben (大本钟). Big Ben is a 153-year-old clock. It is still very loud (声音大的). The London Eye is a big Ferris wheel (摩天轮). It looks like a big round eye. There are many other sights (景点 ……

多功能的大嘴巴多功能的大嘴巴Shoebills (鲸头鹳) live in Africa. Look at this bird’s big bill (喙). It works like... inside it for their babies. Click, click. The bird makes loud sounds with its bill. It says hello ……

make your stand with fancy words, or just shoot your way to the heart of a problem. In terms of writing... are fighting on MSN or QQ. (See the big screen on the right.)In the conversation, Ike Clanton ……

她以一颗勇敢的心征服世界。
on. She cried out loud to cheer herself up. Thirteen times she fell and stood up. But not the 14th time. She lost the game.We’ll remember her for her brave (勇敢的) heart. ……

为什么大猩猩喜欢捶胸呢？Gorillas live in groups. Their leader is often a male (雄性的) gorilla. They are always big and strong. They beat their chests (胸) to make loud noises. They also shout and show their teeth ……

为什么大猩猩喜欢捶胸？Gorillas live in groups. Their leader is often a male (雄性的) gorilla. They are always big and strong. They beat their chests (胸膛) to make loud noises. They also shout and show their teeth ……