Methods: Chondrocytes were isolated from articular cartilages of 3 week old rabbits and formed cartilages by cultivation in centrifuge tubes for 2 weeks.
方法：自3周龄兔关节软骨分离软骨细胞，经离心管培养2周形成软骨。
Works like a charm, I've got 3 week old accounts still up and running. Most of my accounts get banned on a daily basis cause I spam hard with them but that's another story. Gonna cut right to it.
目前我的一些3个星期以上的老帐户仍然运行，但我的大部分的帐户被封，接下来就详细说明如何来申请，并且减小被封的几率。
Children under six years old may eat half of a can (3 oz) of chunk light tuna per week.
六岁以下的儿童每周可以吃半罐(3盎司)大块鲔鱼。
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