多大的用法和样例：
例句
-
她有多大年纪了？
How old is she? -
｀她有多大年纪？＇｀凭猜测，大概30岁。＇
`How old is she?' `At a guess, about 30.' -
这一医疗服务包括的地区有多大？
How much territory does this medical practice cover? -
我想知道经理有多大年纪。
I'd like to know how old the manager is. -
你多大了？
How old are you? -
他旅行的地方有多大？
How much territory does he travel over? -
可否冒昧问一下您多大年纪？
May I be so bold as to ask how old you are?
