catastrophic event短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 灾变性事件 The storm surge is a common natural catastrophic event. 风暴潮是沿海地区的常见自然灾害。 cnki Tower cranes are particularly risky as urban sites become more congested, and the risk of a catastrophic event is very high during climbing operations. 塔式起重机是特别危险的，尤其是在市区用地变得更加拥挤时。攀登行动更是一个风险的行动，其灾难性非常高。 cncad