By placing sterilized cuttings in test tubes with salts, vitamins, plant hormones, and seaweed gel, they got the plants to sprout and then raised them in soil in greenhouses.

把剪好的竹子放入试管中，与盐，维生素，植物激素，和海藻胶混合，植物发芽了，然后拿出来，把他们放在温室的土壤中。

youdao

Half got Carraguard, a tasteless, odorless gel made out of seaweed, and half got placebos.

一半妇女获得了由海藻制成的无臭无味的Carraguard，而另一半获得了安慰剂。

youdao

Researchers in the US have recently started clinical trials to see if a gel made from a type of red seaweed found along the coasts of Nova Scotia and Chile to see if it protects against HIV.

BBC: NEWS | Health | Seaweed could fight flu symptoms