unpredictable behavior短语⁸⁴³²⁰⁺⁸ 基本例句 不可预测行为 But he stressed that it was“ critical” for governments to maintain and strengthen their alert and surveillance, given the continued spread and the highly unpredictable behavior of the virus. 但他同时也强调说，面对这一持续传播且对其知之甚少的病毒，现在是各国政府保持警惕和加强监管的“重要时期”。 blog.sina.com.cn