astronaut - (someone who travels in a) spaceship, atmosphere - ball of air (surrounding Earth), century - relating to one hundred (years), construct - to build together or with, descend - to climb down, extend - to stretch out, manufacturer - one who does the process of making (something by) hand, studier - more strong or solid,

Phonics Lesson 16: Lighter Than Air: The Story of Balloon Flight

由
嵌入

排行榜

快閃記憶體卡是一個開放式範本。它不會為排行榜生成分數。

視覺風格

選項

切換範本

恢復自動保存: ?