“谷物的”造句

这种甲虫主要吃谷物的胚芽.
This beetle eats mainly the germ of the grain.

我们用气相层析法来测定各种谷物的水分.
We use gas chromatography for moisture determination in a number of grains.

全国各地牧场对套种谷物的选择都不相同.
Farmers'preferences for a companion cereal vary over the length and breadth of the country.