Laos lies between China, Burma, Thailand, Cambodia and Vietnam.
老挝位于中国、缅甸、泰国、柬埔寨和越南中间。
I will come between five and six o’clock.
我会在5点到6点之间来。
Keep the close relationship between teachers and students.
保持亲密的师生关系。
co-operation between the two countries
两国之间的合作
between you and me
你我私下说说；仅限于我俩之间(不得外传)
We have two lessons this morning, and there’s some free time in between.
今天上午我们有两节课，课间有休息时间。