several

几次；多次

on a number of occasions; repeatedly

在多个场合上；重复地

几个原因

a number of causes or explanations for an action or event

一个行动或事件的多个起因或解释

a number of times when something happens

几种方式

a number of methods, styles, or manners of doing something

指做某事的多种方法、风格或方式

几个实例

a number of examples or occasions of something

指某事物的多个例子或场合

多个来源

a number of places, people, or things from which something originates

指某事物起源的多个地方、人或物