Number + 磅 + 的 + Noun
磅 (bàng) is a measure word meaning "pound," used as a unit of weight. It is the Chinese transliteration of the English unit and is commonly used when describing weights in contexts involving Western measurements. For example, 重达52磅 means "weighing as much as 52 pounds."
这个南瓜重达五十二磅。
zhège nánguā zhòng dá wǔshí'èr bàng.
This pumpkin weighs as much as fifty-two pounds.
请给我来两磅牛肉。
qǐng gěi wǒ lái liǎng bàng niúròu.
Please give me two pounds of beef.
她的行李超重了三磅。
tā de xínglǐ chāozhòng le sān bàng.
Her luggage was three pounds overweight.