prep. 在…之前;先于,优于;当着…的面;与其…;
conj. 在…之前;在…以前;比…早些;与其…;
adv. 先前,从前;在前,在前方;
英文例句/中文翻译:
Test the heat of the water before getting in.
入水之前先试一试水温。
He was brought before the tribunal for trial.
他被送到法庭受审.
You walk before and I will follow after.
你在前面走,我将在后面跟着.