a number of是什么意思？

Once at Elgin day-trippers visit a number of local sights.一到达埃尔金，一日游的游客就参观了一些当地的风景名胜。She retained a number of copies for further annotation.她保留了许多副本以便作进一步的注解。He was ably assisted by a number of other members.他得到其他一些成员的鼎力...

a number of的音标：a number of的英式发音音标为：[ə 'nʌmbə ɔv]a number of的美式发音音标为：[e 'nʌmbɚ ʌv]...