英语语法分析

The recommended single dose is 1 ampoule, given subcutaneously, intramuscularly or intravenously.

建议一次剂量为1安瓿，皮下，肌肉或静脉注射给药。

Desensitization is carried out by giving small doses of highly diluted antitoxin subcutaneously at first.

脱敏，是通过给予小剂量高度稀释抗毒素皮下注射进行的。

Methods: Senile rats model was established by adopting the method that injected D-galactose subcutaneously in nape.

方法：采用D -半乳糖颈后皮下注射的方法，造成亚急性衰老动物模型。