英语 高二 填空题 较难

描述发明创造的表达方式 — 英语填空题

外研社版·英语(高中) Unit 3 The world of science AI 三重审校通过

题目
A sensor-based umbrella opens automatically when rain begins. Complete the sentence to describe its purpose, using the cue (design): The umbrella ___ users from sudden showers.