来自拉丁语 tractare,处理，操纵，对待，词源同 tract.-able,形容词后缀。

1. Gold and silver are tractable metals.

金和银是容易加工的金属.

2. He could easily manage his tractable and worshipping younger brother.

他能轻而易举地管住听话并且崇拜自己的弟弟。

3. Carrie seemed quite tractable, and he congratulated himself.

嘉莉看上去很温顺, 他暗自感到庆幸.

4. The next visitors were Arab. They were no more tractable.

接着而来的便是阿拉伯客人, 他们并不更好说话.

5. Triangular matrices, in particular, are usually quite tractable.

特别地, 三角矩阵常是十分易于驾驭的.