386. ...pose a great threat to... ……对……造成一大威胁
Pollution poses a great threat to our existence.
污染对我们的生存造成一大威胁。
The spread of the disease poses a great threat to our life.
疾病的传播对我们的生命造成一大威胁。
North Korea's nuclear and ballistic missile programs pose a great threat to the peace and security of the world.
朝鲜的核试验和导弹计划对世界的和平和安全造成重大威胁。
