“小于”造句

小于90度的角叫銳角.
Angles of less than 90 degrees are called acute angles.

他的年齡不會小于三十歲.
He cannot be under thirty years of age.

這些人承受的壓力往往小于那些職位僅次于他們的人。
Such people often experience less stress than those in the ranks immediately below them.

• #小于