桩: Ⅰ名词(桩子) pile; pole; stake 短语和例子打桩 drive piles; set up row of stakes; 拴牛桩 a pole for tying up cattleⅡ量词(用于事情) 短语和例子一桩小事 a trifle; 一桩要案 an important case; 一桩生意 a business
中间: 1.(里面) among; between 短语和例子隐藏在树丛中间 hide among the bushes; 坐在他们两人中间 sit between the two of them; 她是我们三人中间最年轻的。 she is the youngest of us three.2.(中心) centre; middle 短语和例子中间突破 make a breakth