6. cover (stone or brick) with a first layer of plaster 在(石或砖)上抹灰泥打底：
render walls 在墙上抹底灰
7. (习语)render an zccount of oneself,one's behaviour,etc explain or justify what one has said,done,etc. 为自己的言行等作解释或辩护.
8. render sth down： make (eg fat,lard) liquid by heating it; melt sth down 将(脂肪、猪油等)熬成油;熔化某物。render sth up：hand over or surrender sth;yield sth. 移交或交出某物;放弃某事物：
render up a fort,town,etc to the enemy 放弃要塞、城市等被敌人占领
(fig比喻) He rendered up his soul to God,ie died. 他魂归天国了
