我把油画平放以防止未干的颜料流动。I lay the painting flat to stop the wet paint running.大型油画可以增加小房间的宽敞感。Large paintings can enhance the feeling of space in small rooms.水彩画似乎仍比油画略逊一筹。Watercolour still seems somehow to be the poor relation...
Duff soon mastered the skills of radio produc-tion.达夫很快掌握了广播节目制作的技能。His genius alone has mastered every crisis.仅凭天分，他就控制了所有的危机。I've completely mastered the use of all the words I've learned.学过的词汇我全部掌握了....