如 a book , an orange , an egg 注意: ① u发音为 / ju:/ 时,单词前用a . 如:a usual boy;a university;a unit;a useful book;注意另外两个特殊词: a one-leg table ; a European ② ...
>Orange alert for cold wave 全国多地过山车式降温 China's meteorological authority on Monday issued an orange alert for a cold wave as a strong cold front will sweep across ...
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