trace

过去式：

动词过去式: traced

更多词形：

形容词: traceable | 副词: traceably | 名词: traceability | 动词过去式: traced | 动词过去分词: traced | 动词现在分词: tracing | 动词第三人称单数: traces |

单词例句：

So far, the chairman has only been able to trace out the outline of the plan, without any details.

到目前为止，主席只能提出个大体规划，还不能很具体。

There isn't a trace of a smile on her face.

她脸上没有一丝笑容。

He father claims to be able to trace the family back many centuries, to the time of the Conqueror.

他父亲声称他的家族系谱可追溯到好几个世纪以前的诺曼底入侵时代。

Her fear of water can be trace back to a childhood accident.

她很怕水，起因可归于儿时的一次事故。

The country woke from her trace of two hundred years.

这个国家在沉睡了200年之后觉醒过来了。

The room is bone-dry, not a trace of damp anywhere.

房间十分干燥，连一点湿气也没有。

An investigation or inquiry organized to trace missing goods or persons.

追踪调查为查找失踪物品或人员而组织的调查或询问

He can trace his ancestors back through fourteen generations.

他能追溯他的祖先到第十四代。

Did the police find any trace of the murderer?

警方找到凶手的行踪了吗？