Lhd
abbr. （拉）古典文学博士（Litterarum Humaniorum Doctor, 等于Doctor of Humanities）；装载拖运倾卸作业（Load-Haul-Dump）
🗣️ 情景例句
At four o'clock,
四点钟，
What's your job?
你是做什么工作的？
I was doing eighty when I overtook you.
我是以第小时80英里的速度赶上你的。