Fill in gaps by using short, upward strokes of the pencil.用铅笔向上短短地勾画几道来填充空白。There were gaps in their counterterrorist strategy.他们的反恐战略存在漏洞。Contraction of the timbers left gaps in the fence.木料收缩,结果围墙露出缝来....
His poor performance may be attributed to lack of mo-tivation rather than to reading difficulties.他糟糕的表现也许要归因于缺乏积极性，而不是阅读障碍。Such a dichotomy cannot simply be attributed to coincidence.这样一种分歧不能简单归之于巧合.Another meaning can ...