“小于”造句

小于90度的角叫锐角.
Angles of less than 90 degrees are called acute angles.

他的年龄不会小于三十岁.
He cannot be under thirty years of age.

这些人承受的压力往往小于那些职位仅次于他们的人。
Such people often experience less stress than those in the ranks immediately below them.

• #小于