Cassegrain
n. 卡塞格伦望远镜(亦作Cassegrain telescope)
🗣️ 情景例句
Uh, it's four-thirty. Oh my!
啊 ，已经四点半了。啊 ，天啦！
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
These days, people who do manual work often receive far more money than people who work in offices.
如今，从事体力劳动的人的收入一般要比坐办公室的人高出许多。