now and again什么意思？

I earn enough to push the boat out now and again.我挣的钱足以时不时摆摆阔了。Now and again he'd join in when we were playing video games.我们玩电子游戏时，他偶尔会和我们一起玩。Now and again , he caught a whiff of a peculiar smell.他不时闻到一股怪味....

now and again的音标：now and again的英式发音音标为：[nau ænd ə'ɡen]now and again的美式发音音标为：[naʊ ənd ə'ɡɛn]...