例句與造句

1. Kainic acid is commonly injected into laboratory animal models to study the effects of experimental ablation.
2. A carcinogenic substance can cause cancer in a laboratory animal model, but only a very few substances are clearly proven human carcinogens.
3. In 1907 a laboratory animal model which would help to isolate and identify the antiscorbutic factor was discovered : Axel Holst and Theodor Fr鴏ich, two Norwegian physicians studying shipboard beriberi in the Norwegian fishing fleet, wanted a small test mammal to substitute for the pigeons then used in beriberi research.
4. It's difficult to find laboratory animal model in a sentence. 用laboratory animal model造句挺難的