如题所述
gram è±[græm] ç¾[É¡ræm]
n. å ; 绿è±; é¹°å´è±; 绿è±ç§å;
[ä¾å¥]A football weighs about 400 grams.
足çé约400å ã
n. å ; 绿è±; é¹°å´è±; 绿è±ç§å;
[ä¾å¥]A football weighs about 400 grams.
足çé约400å ã
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