1.The sudden entrance of the icy air through the broken window changed the particles of water into snow.
窗户被打破以后，冷风突然涌进大厅，湿热的空气中的水汽于是就凝成了雪花。
2.His sudden entrance took everyone by surprise.
他的突然出场使所有人都感到意外。
3.Her father made a sudden entrance.
她父亲突然进来了。
4.The Sudden Entrance of the "Iron Horse" Into the "Garden" : On the Conflict and Fusion of Art with Nature in Modern American Society
闯入“花园”的“铁马”——近代美国社会中艺术与自然的冲突与融合