预先的英文：
beforehand
prior
- In advance
提前,预先 - To reflect,ponder,or deliberate beforehand.
预先思考、深思或考虑 - Preheat Material
预先加热材料 - They plotted out a plan of action in advance.
他们预先订出了一项行动计划。 - To fix upon,decide,or decree in advance;foreordain.
预定预先决定、判决或颁布;预先注定 - Precut fillet of fish; precut construction materials.
预先切制的鱼片；预制的建造材料。 - You need to precondition the surface of the mineral to be separated.
你们要对准备分送的矿石面作预先处理。 - In advance; beforehand
预先;事先 - make impossible, esp. beforehand.
使不可能做，例如预先。 - made ready or fit or suitable beforehand.
预先使准备好、适应的或适合的。
adv. 预先，事先
- make impossible, esp. beforehand.
使不可能做，例如预先。 - Nothing is as good as it seems beforehand
世事总不如预料中的好 - Nothing is as good as it seems beforehand.
世事往往不如预料中那么好。 - To reflect,ponder,or deliberate beforehand.
预先思考、深思或考虑 - made ready or fit or suitable beforehand.
预先使准备好、适应的或适合的。
adj. 优先的；在前的；较重要的；有优先权的
n. 上司；会长，副院长；前科；最高执政官
- The offer is subject to prior sale.
该报盘以未售出前为准。 - I appreciate that you may have prior commitments.
我体谅你可能事先已另有承诺。 - I believe that theories are prior to observations as well as to experiments.
我认为理论先于观察，也先于实验。 - a brief film; often shown prior to showing the feature.
简短的影片；通常在故事片前面播放。 - I was unable to attend the party because of a prior appointment.
由于事前另有所约,我不能参加晚会。