例句與造句

1. A cobalt deficiency in the soil means grazing animals need supplements.
2. Soon afterwards, the University of Melbourne conferred on Filmer the degree of D . V . Sc . for a thesis on his work on cobalt deficiency.
3. The cobalt deficiency was overcome by the development of " cobalt bullets ", dense pellets of cobalt oxide mixed with clay given orally for lodging in the animal's rumen.
4. Much of the land in the Putaruru district suffered from a cobalt deficiency, which made farming practically impossible, but since 1935 measures have been taken to restore fertility, and farming has expanded.
5. Also in Australia, cattle and sheep in certain areas were often found losing their appetite and dying in the midst of rich pasture; this was at length found to be a result of cobalt deficiency in the soil.
6. It's difficult to find cobalt deficiency in a sentence. 用cobalt deficiency造句挺難的