green casing的意思|示意

Steel casing. White red or green drum Iens.

钢外壳，白色玻璃罩。

Eating folic acid, present in leafy green vegetables, ensures that the fetus has the nutrients it needs to grow the casing to the neural tubes that link the brain to the rest of the body.

吸收叶状绿色植物中的叶酸使胎儿得到神经套管生长的营养。而神经套管是用来连接脑部和身体的其它部分。