trace

There was no trace of anyone having entered the room since then..没有任何迹象表明在那以后有人进过这房间。

Petra’s lost all trace of her German accent..彼得拉已完全没有德国口音。

Officers were unable to find any trace of drugs..警察未能找到毒品的蛛丝马迹。

trace element[化]微量元素

without a trace无影无踪地；渺无踪迹地

trace back追溯

trace amount痕量；微量

trace analysis痕量分析

without trace不着痕迹地；了无踪迹地

trace metal微量金属，痕量金属

trace mineral微量无机物；矿物质

trace out描绘出；探寻；轨迹为

trace level痕迹量级

trace gas微量气体；示踪气体

tooth trace齿线

stack trace堆叠追踪；堆栈踪迹

trace fossil生痕化石；踪迹化石

memory trace记忆痕迹

真题例句...Each time this initial memory trace is “replayed”...CET42017.6阅读理解