Mack knew this passage by heart.麦克会背这一段。You must keep repeating the lines until they are known by heart.你必须反复朗读这几行一直到能背诵为止.The boy learned the poem by heart.这男孩背下了这首诗....
The sanctity power, lavation my soul, administer the serenity to me! ―― spiritualization!圣洁的力量, 洗涤我的灵魂, 给我以宁静! ――净化术!Objective To research whether pangolin adulterated with magnesium sulfate can goods after lavation.目的研究...