Downlighter
（安装于墙壁上的）下照灯具, 下射灯
🗣️ 情景例句
with my own two hands, practically.
差不多是独自完成的。
Did you have fun?
你玩得开心吗？
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。