She was released from prison in a cloak and dagger operation yesterday.在昨天的一次秘密行动中她从监狱获释。They left under the cloak of darkness.他们在黑暗的掩护下离开了。She threw a heavy woollen cloak over her shoulders.她把一件厚重的羊毛斗篷披在肩上....
Elijah went up to him and threw his cloak around him.以利亚到他那里去,将自己的外衣搭在他身上.A fire could have been deliberately started to cloak small coordinated troop movements...可能是有人故意放火掩护小规模的部队协同行动。Today most of England will be under...
Dewax are first done by boiling and second by warm water.退蜡沸水退蜡,二次退蜡用温水.The dewax rate is controlled by the diffusion of paraffin wax in poly propylene.热脱蜡的动力学控制步骤为石蜡在聚丙烯中的扩散过程....