2) To move away or escape suddenly.
突然离开，逃走
3) He left all at once.
他突然离开了。
5) sudden opening
突然开孔
1.
Wind-induced internal pressure and roof response of sudden opening building;
突然开孔结构的风致内压及屋盖响应研究
2.
Study of wind-induced dynamic response of long-span flexible roof structures:Internal pressure and roof response in the case of sudden opening;
大跨度柔性屋面建筑风振响应研究——突然开孔时的内压及屋面响应研究
3.
Wind tunnel tests of rigid and aeroelastic model were carried out to investigate the influence of windward sudden opening on static and dynamic wind load for flat roof structures.
采用刚性模型和气动弹性模型风洞试验,研究迎风面突然开孔对平屋盖结构静动力风荷载的影响。
6) poping
突然开启
补充资料：突然
1.忽然;猝然。 2.耸立貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条