brown rat [脊椎] 褐鼠 ; 褐家鼠
norway brown rat 挪威棕色大鼠
Brown country rat 小黄腹鼠
brown country-rat 小黄腹鼠
Brown-Norway Rat 棕色挪威大鼠 ; 周龄棕色挪威大鼠
brown house rat 褐家鼠
brown spiny rat 褐硬毛鼠
The brown rat has prominent ears and a long scaly tail.
灰鼠长着两只突出的耳朵和一条带鳞片的长尾巴。
Mr. Brown brought his 5-year-old son to the museum and created a rat toy. How much did they pay at least?
如果布朗先生带着他5岁的儿子来到博物馆，还做了个老鼠玩具。他们至少要付多少钱？
Objective: To evaluate effects of tRA on activity and content of UCP in rat brown adipose tissue mitochondria.
目的：探讨全反式维甲酸（t RA ）对大鼠棕色脂肪组织线粒体上解偶联蛋白（UCP）活性和含量的影响。
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