Quite a while. 基本例句 等了一会儿。 First widely used during World War I, submarines have been around for quite a while but these machines were cramped, uncomfortable, and difficult to navigate. 自从在第一次世界大战中被首次使用，潜艇已经存在有一阵子了。但与此同时这些机器是那么狭窄，不适，并且难以操控。 yeeyan Numerous smaller access providers have been doing so for quite a while. 许多较小的接入服务提供商这么干已经有一阵子了。 ecocn