weight的过去式是什么意思

　　例句：

　　We'll need to reduce the weight by half.

　　我们得把重量减轻一半。

　　I don't think that branch will hold your weight.

　　我觉得那根树枝撑不住你的重量。

　　The many letters of support added weight to the campaign.

　　许多声援信增加了这场运动的影响力。

　　I just hoped the branch would take my weight.

　　我只是希望树枝经得住我的`体重。

　　He does a lot of weight training.

　　他进行大量的举重训练。