extremely poor meaning in English

极端贫困的
贫困不堪

The chicks showed extremely poor growth rate, high mortality, hemoconcentration .
雏鸡显示很差的生长速度、死亡率高、血浓缩。
Package to extremely poor no coverage at all in
包中几乎是100 % ）到极差（在
The quality of tcm research in china has been extremely poor
在中国，中医研究的质量极差。
Her family was extremely poor and all she had was one pair of shoes
她的一家很贫穷，只拥有一双鞋子。
One who is extremely poor
贫民极度贫困的人

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