?? 詞語組成解析
vi. 對…進行突然襲擊（raid的過去式與過去分詞形式）
??? 情景例句
Hello. This is an emergency. Can you please send an ambulance?
喂，這兒有急病患者，請派一部救護車來。
How long will ti take you to finish the work?
你要花多長時間才能完成那項工作？
The journey is so smooth that there is nothing to prevent you from reading or sleeping.
旅途平穩，絲毫不妨礙你閱讀或睡眠。