Bldr
abbr. builder 建筑工人
🗣️ 情景例句
It all happened so quickly!
这一切发生得太快了！
How is it going with you?
你过得怎样？
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。