@78#走神了 8-20单词总数: 200， 新词: 22，时间: 70 分钟
exempt n.免税者，被免除义务者 adj.免除的 v.使免除
He is exempt from military service.
conservation n.保存，防止流失，守恒，保护自然资源
Most people have come to accept the need for conservation of natural resource.
defect n.缺点 vi.背叛
This was his fatal defect; he was of feeble will.
interfere vi.妨碍，冲突，干涉
He tries not to let business with his home life.
interpret v.解释，演出，翻译
We interpret his silence as a refusal.
rotary adj.旋转的 n.旋转式机器，环形交叉路
The gardener asked me for a rotary lawn mower.