vt.& vi.（与…）邻接，（与…）毗连，接触，倚靠
The teacher abut for an easy way to explain the lesson.
老师设法用简单的方法授课.
Near this village, the thickness of this lens reaches abut a hundred metres.
在这个村庄附近, 透镜体的厚度达100米左右.
His mother is a aged woman of abut forty.
我的母亲是一位心地善良、性情温和的妇女.
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