keep in什么意思解释？

I had to keep in with the people who mattered.我得和管事儿的人保持良好关系。We're a tight group, so we do keep in touch.我们关系很铁，所以的确保持着联系。We do keep in contact.我们确实保持着联系。...

keep in的音标：keep in的英式发音音标为：[ki:p in]keep in的美式发音音标为：[kip ɪn]...