Immunized
vt. 使免疫（immunize的过去式与过去分词形式）
🗣️ 情景例句
What are you doing?
你在干什么？
Tidal wave
海啸
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.
那些计划去偏远地区旅行，或在饮用水不现成的国家居住的人，应该知道如何使水适于饮用的各种办法。