.a most 一般用于背景没有限制范围的那种情况
the most.(many,much的最高级)最多的;最高程度的)
She is a most famous doctor.
She is the most famous doctor in this hospital
.a most 一般用于背景没有限制范围的那种情况
the most.(many,much的最高级)最多的;最高程度的)
She is a most famous doctor.
She is the most famous doctor in this hospital