pre
英 [ˈpriː] 美 [ˈpriː]
adj.
前
And these sediments are quite different from pre year 1800 sediment layers.
这些沉淀物与1800年前的沉积层有很大不同。
These next rooms are devoted to more recent history, the Industrial Revolution and pre-and post-World War years.
下面的房间是近代历史，工业革命和世界大战前后的展览。
I was freshman pre med at Wellesley when they attacked.
外星人袭击地球的时候我正在韦尔斯利大学读医学预科一年级
