タグ: スラッシュ

例文 The telescope continues to offer us new views concerning things beyond our immediate...

例文 Since that time, people have developed various devices that expand our range of sight, thus revealing facts...

☆例文 In the 17th century, a scientist noticed that by holding two lenses together in a certain way he could...

例文 This change from invisible to visible has led to tremendous growth in our comprehension of the world and...