hours. The Grand Canyon is about 1,700 feet (510 meters) deep (深). ……

confidence.He lacks confidence.depth depth n. 渊博；深刻；洞察力；深（度）；纵深n. 渊博；深刻；洞察力；深（度）；纵深His ……

meters high and inclined west 18 degrees (度). ……

(头朝前). That’s because of their ankles (脚踝). They can move 180 degrees (度). That’s like turning your... headfirst (头朝前). That’s because of their ankles (脚踝). They can move 180 degrees (度). That’s like ……

and cold days. It can run at temperatures as low as 40 degrees (度) below zero!The CR400BF-G Fuxing... degrees (度) below zero! ……

temperatures are 8 degrees (度) warmer.NASA’s scientists found the place while making the first-ever temperature ……

temperatures are 8 degrees (度) warmer.NASA's scientists found the place while making the first-ever temperature ……

 AFP  高温炙烤！东南亚多国气温破50度高温炙烤！东南亚多国气温破50度People struggle to live under extreme weather in Southeast Asia   PAGE 6People struggle to live under extreme weather in Southeast Asia ……

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核心词汇hit v. 袭击 (hit, hit)Our ship was badly hit andsank within minutes.breathe v. 呼吸同根词：breath n. 呼吸词组：take a (deep) breath (深)呼吸He stood there breathingdeeply. tight adv. 紧紧地同义词：closely, firmlyI kept ……

and walls made of ice! There is also an Inuit house inside. The temperature inside is 6 degrees (度) below... inside is 6 degrees (度) below zero. Won’t it be too cold? Well, there are free coats and hot ……

temperature can be about 40 degrees (度) below zero. A hot bath helps people keep warm. They take... be about 40 degrees (度) below zero. A hot bath helps people keep warm. They take a hot shower first ……

about 5 degrees (度).It is still a bit cold. But people in the UK can’t wait to go for a swim... 5 degrees (度).One of the funniest races is the hat competition. People swim with their hats ……

科学家的南极生活。THE life of a scientist in Antarctica is very difficult. Why?Scientists usually go to Antarctica in the summer. But Antarctica's summer is very cold. It's about 10degrees(度)below zero(零下 ……

Fahrenheit 451 (《华氏451度》). It was created at the Anne Petronille Nypels Lab in the Netherlands ……